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craigslist

Bicycles For Sale in Boulder, CO

  1. see also

    electric bikes

    kids bikes

    mountain bikes

    road bikes

  2. Diamondback Vital 2 Woman's Hybrid / Comfort Bike Like New Just Tuned
    $280
    Louisville
  3. TREK 720 MultiTrack Hybrid / Comfort Bike Excellent Condition Tuned
    $280
    Louisville
  4. TREK 3500 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  5. TREK Navigator 2.0 Hybrid/Comfort Bike Excellent Condition Just Tuned
    $300
    Louisville
  6. 24” REI CO OP bike- lots if upgrades!
    $350
    Louisville
  7. Gazelle E-bike
    $1,000
    Boulder
  8. Dirt jumper - custom build
    $650
    Lafayette
  9. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $499
    New! Part out Frame , Fork BB Stem Handlebars $269!!!!
  10. 2017 Trek Remedy 8 M/L
    $1,500
    Boulder
  11. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    New Part out, Frame, fork, stem, H/bar, Bottom bracket $279!
  12. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $499
    Part out, Frame, fork BB stem bars
  13. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    New: Part out Frameset!! !! $279!!!
  14. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Now $499!!! Aurora Alameda @ I225
  15. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Now $529 rolling Aurora Alameda @ I225
  16. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Now $499!!! NEWPart out!, Frameset $279!!!
  17. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Part out, Frame Set $299!!!
  18. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Now $529 Refurb !!! NEWPart out!, Frameset $279!!!
  19. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    New: Part out Frame fork BB stem H-bar
  20. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Part out, Frame Set $299!!!
  21. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Part out, Frame Set $299!!!
  22. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Fork, Bottom bracket b $279
  23. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Part out: Frame, Fork bottom Bracket Stem Handlebars $299!!!
  24. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Fork, Bottom bracket b $279
  25. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Fork, Bottom bracket b $279
  26. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    New: Part Out $299!! Frame , Fork, Aurora Alameda @ I225
  27. Two bike gravity stand / bike rack
    $65
  28. Kids 24" Bike
    $160
    East Boulder
  29. Pair of Haibike AllMTN Electric Mountain Bikes – Medium + Large
    $7,000
  30. Vintage Schwinn Road Bike
    $50
    SW Longmont
  31. Mongoose Mountain bike 18" frame
    $120
    Boulder
  32. Motobecane Vent Noir Road Bike – Carbon Fork / Vuelta Wheels
    $375
  33. Talaria XXX Electric Bike-Like New-Low Miles
    $3,500
  34. Aventon Pace 350 Step-Through E-bike / Plum Purple *MUST SELL*
    $900
    Longmont
  35. Schwinn Meridian Single Speed Tricycle
    $225
    Longmont
  36. K2 ZED 1.0 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  37. Specialized MYKA Disc Woman’s Mountain Bike Excellent Cond. Tuned
    $380
    Louisville
  38. KHS Montana Custom Hybrid/Comfort Bike Excellent Cond. Just Tuned
    $240
    Louisville
  39. TREK 1000C Road Bike Excellent Condition Fully Serviced
    $380
    Louisville
  40. Pacific Quasar 21 Speed Mountain Bike
    $100
  41. 2010 W's Trek Lexa Road Bike - Small
    $300
    Longmont
  42. Brand new Huffy Mountain Bike
    $120
    Louisville
  43. Aventon Pace 350 like new. only 36 miles
    $1,200
    Lafayette
  44. single gear bike Leader LD-720TT frame
    $250
    Boulder
  45. 2001 DEAN Scout single speed mountain bike
    $250
    Longmont
  46. Jamis Citizen 2 Comfort Bicycle
    $250
    South Boulder
  47. 2 New Kenda Fat Tires
    $75
  48. Bianchi 1885 Reparto Corse Bicycle HAND MADE in ITALY
    $920
    South Boulder
  49. Bianchi Vigorelli Bicycle Frame and Fork
    $250
    South Boulder
  50. Trek 8.5 DS (Dual Sport) Hybrid Bike – Gary Fisher Collection
    $400
    South Boulder
  51. Trek Fuel 90 Full Suspension Mountain Bike 🚲
    $333
    South Boulder
  52. Kona NuNu Mountain Bike
    $200
    South Boulder
  53. Schwinn Varsity 10-speed Road Bicycle - Vintage
    $50
    South Boulder
  54. Jamis X26 Mountain Bike
    $150
    South Boulder
  55. Thule RoundTrip Sport Hard Shell Bike Travel Case
    $250
    South Boulder
  56. Trek MT60 Child's Mountain Bicycle
    $60
    South Boulder
  57. Nishiki Bravo Mountain Bicycle
    $125
    South Boulder
  58. Schwinn Woodlands Commuter Hybrid Bike
    $150
    South Boulder
  59. Schwinn Super Sport GL Road Bike Aluminum Frame
    $250
    South Boulder
  60. GT Saddleback Mountain Bike - Front Suspension
    $125
    South Boulder
  61. Giant Rincon Mountain Bicycle
    $200
    South Boulder
  62. Specialized Hardrock Punk Mountain Bike
    $200
    South Boulder
  63. GT Outpost All Terra Vintage Mountain Bike
    $200
    South Boulder
  64. GT Outpost Mountain Bicycle - Front Suspension
    $175
    South Boulder
  65. Fuji Eddy Mountain Bicycle
    $150
    South Boulder
  66. Fuji Nevada Mountain Bike
    $150
    South Boulder
  67. Trek 6500 Aluminum Frame Mountain Bicycle - Blue
    $200
    South Boulder
  68. Trek 6500 Aluminum Frame Mountain Bike - Orange
    $200
    South Boulder
  69. Specialized HardRock FS Mountain Bike - Silver
    $200
    South Boulder
  70. Gary Fisher Cake 3 DLX Bicycle Full Suspension Hydraulic Disc Brakes
    $450
    South Boulder
  71. Cannondale F600 Comp Mountain Bicycle
    $250
    South Boulder
  72. Specialized Hardrock Sport Mountain Bike
    $250
    South Boulder
  73. Felt FA SL Superlight Aluminum Road Bicycle
    $700
    South Boulder
  74. Schwinn Mesa GS Aluminum Frame Suspension Mountain Bike bicycles
    $200
    South Boulder
  75. Classic Diamondback Ascent Mountain Bicycle 🚵‍♂️
    $140
    South Boulder
  76. Castellano Fango Softail Aluminum Frame Mountain Bicycle
    $360
    South Boulder
  77. Specialized Roll Sport Comfort Hybrid Bike
    $250
    South Boulder
  78. Specialized RockHopper Bicycle 🚲
    $200
    South Boulder
  79. Specialized Pitch 27.5 Mountain Bike
    $300
    South Boulder
  80. Vintage Schwinn Super Le Tour
    $40
    South Boulder
  81. Specialized RockHopper Mountain Bicycle 🚵‍♂️
    $200
    South Boulder
  82. Trek 3900 WSD Mountain Bicycle
    $200
    South Boulder
  83. Giant ATX780 Front Suspension Mountain Bike
    $200
    South Boulder
  84. Gary Fisher Mamba Front Suspension Mountain Bike
    $200
    South Boulder
  85. Gary Fisher Napa Mointain Bike
    $250
    South Boulder
  86. Motobecane Elite Adventure 28" Gravel Hybrid Bike
    $200
    South Boulder
  87. Giant Boulder Mountain Bike
    $180
    South Boulder
  88. GT Aggressor 3.0 Mountain Bike
    $150
    South Boulder
  89. Giant Roam 2 E-bike Electric Bicycle w/ Bafang Mid Drive Motor
    $1,500
    South Boulder
  90. REI Co-op Cycles ADV 3.1 Adventure Bicycle
    $600
    South Boulder
  91. Specialized Crossroads Hybrid Bicycle Aluminum Frame
    $300
    South Boulder
  92. Gary Fisher Tassajara GS Mountain Bike
    $250
    South Boulder
  93. Schwinn Clear Creek Comfort Bicycle
    $120
    South Boulder
  94. Specialized Expedition Sport Mountain Bike
    $200
    South Boulder
  95. Schwinn Ranger Comfort Commuter 21 Speed Bicycle
    $200
    South Boulder
  96. Gary Fisher Kaitai Aluminum Frame Front Suspension Mountain Bike
    $250
    South Boulder
  97. Cannondale Competition Series 3.0 SM900 Aluminum Frame Mountain Bike
    $400
    South Boulder
  98. Gary Fisher Joshua X1 Full Suspension Mountain Bike
    $300
    South Boulder
  99. Trek 2100 ZX Carbon Frame Road Bicycle
    $300
    South Boulder
  100. Cannondale Scalpel 29" Carbon 2 Lefty Mountain Bike
    $950
    South Boulder
  101. Lemond Chambery Bicycle
    $425
  102. Sixthreezero
    $20
    Louisville
  103. Trek 7000 2X Series 21 Speed Front Suspension Mountain Bike
    $125
  104. 80s Nishiki Road Bike Size 62cm for 6'0 and Up ~ LIKE NEW ~ TUNED UP!
    $100
    Metro Denver
  105. State 4130 Sonora tan
    $300
    Louisville
  106. GRAVEL/ROAD BIKE Bianchi Volpe Size 53cm for 5'4-5'9 New Tires ETC!
    $175
    Metro Denver
  107. ROAD BIKE Univega Japan 52cm for 5'3-5'7 Tall w/ Rack ~ All Tuned Up!
    $100
    Metro Denver
  108. Specialized Stumpjumper Comp M4 Medium Hardtail 19-inch early 2000s
    $290
  109. Stryder Bike
    $5
    Lafayette
  110. 80s Ladies Yokota MIXTE Road Bike 49cm for 5'2-5'8 NEW TIRES ETC!
    $50
    Metro Denver
  111. GRAVEL/ROAD BIKE Fuji Roubaix 61cm for 6'0-6'5 ~ TUNED UP NEW TIRES!
    $195
    Metro Denver
  112. GRAVEL/ROAD BIKE Specialized Allez Pro 56cm for 5'8-6'0 DURA-ACE!
    $380
    Metro Denver
  113. GRAVEL/CYCLECROSS Cannondale CX9 Size 58cm for 5'11-6'3 TUNED UP!
    $400
    Metro Denver
  114. e-bike: RadMission 1
    $400
    Longmont
  115. Trek 18 speed
    $75
    Longmont
  116. Schwinn 21 speed
    $80
    Longmont
  117. Cool , 70’s. 3 speed cruiser
    $65
    Longmont
  118. BMX: GT Slammer 2024
    $150
    Longmont
  119. Bianchi Vigorelli Road Bike 59cm
    $450
    Louisville, CO
  120. Takara Professional Vintage Road Bike 12-speed 2x6 54cm 27x1-1/4 1980s
    $200
  121. FUJI Monterey Hybrid / Comfort Bike Like New Condition Fully Serviced
    $380
    Louisville
  122. Hyper Spin Fusion 700C Hybrid / Road Bike Excellent Condition Tuned
    $180
    Louisville
  123. Nordic Track Commercial S22i Studio Cycle
    $775
    Boulder Heights
  124. Thule Bike Rack
    $500
  125. Electra Classic Amsterdam
    $500
    Erie
  126. Electra Cruiser
    $300
    Erie
  127. Specialized Hotrock Hardtail Mountain Bike- Professionally Tuned Up
    $250
    Boulder
  128. Miyata Hybrid Bicycle - Professionally Tuned Up
    $250
    Boulder
  129. Trek 820 Hybrid Commuter Bike - Professionally Tuned Up
    $225
    Boulder
  130. Trek 4500 Women's Hardtail Mountain Bike - Professionally Tuned Up
    $250
    Boulder
  131. Schwinn Moab 24 Speed Mountain Bike- Professionally Tuned Up
    $250
    Boulder
  132. Trek 3200 - Excellent Condition
    $250
    Boulder
  133. Kids Specialized Hotrock (Blue) Mountain Bike - 24" Wheels
    $225
    Boulder
  134. Kids' Extra Small Trek Mountain Bikes -26" Wheels - Pro Tuned Up
    $250
    Boulder
  135. Kids Scott Orange Mountain Bike - 24" Wheels - Mint Condition
    $225
    Boulder
  136. Women's Nishiki Simple 7 Speed Commuter With Rack - Tuned Up
    $200
    Boulder
  137. LandRider comfort bike
    $100
    Lafayette
  138. Specialized HardRock 15" frame
    $100
    Lafayette
  139. Fuji SST 2.0 LE Carbon Road Bike - Shimano Ultegra - Size Medium
    $400
    Boulder
  140. TREK 1000 SL Road Bike Excellent Condition Fully Serviced
    $380
    Louisville
  141. TREK MT220 Kids Hardtail Mountain Bike Excellent Condition Tuned
    $260
    Louisville
  142. Raleigh Venture 3.0 Hybrid / Comfort Bike Excellent Condition Tuned
    $280
    Louisville
  143. SCHWINN Sierra GS Woman's Hybrid / Comfort Bike Excellent Cond. Tuned
    $220
    Louisville
  144. Bike, Roadmaster frame 19. Wheel 26" good riding conditions
    $60
    Boulder
  145. Bike Huffy 26in Illumina 18 Speed Mountain Bike
    $55
    Boulder
  146. Bike Diamondback, Wheel Size 26 in, front suspension
    $65
    Boulder
  147. 2017 Santa Cruz Tallboy Carbon, Size XL, 27.5+
    $1,000
    Boulder
  148. Bianchi San Jose (55cm)
    $350
    Longmont
  149. Specialized HardRock Comp Dual Suspension. 15 1/2 Frame/Small
    $320
    Lafayette
  150. Kona Lava Dome Small 15 1/2 Frame Steel Excellent Cond
    $180
    Lafayette
  151. Giant Carbon Hybrid 17.5 Inch Original Paint Shimano
    $180
    Lafayette
  152. Carbon Hybrid Giant Tuned and Ready 17 inch
    $150
  153. Specialized Hardrock Comp/ Dual Suspension 15 1/2 “ Frame
    $225
  154. Raleigh USA M-55 Hardtail Mountain Bike Excellent Condition Just Tuned
    $220
    Louisville
  155. GIANT Simple Seven Woman's Cruiser Bike Like New Condition Just Tuned
    $200
    Louisville
  156. Corsa R-Fourteen Road Bike Excellent Condition Fully Serviced
    $280
    Louisville
  157. Subaru Bike Rack for 1 1/4" hitch receiver
    $15
    Louisville
  158. Kid's Mountain bike (for person less than 5')
    $60
    Boulder
  159. Vintage Trek Mountain Bike - Tange Steel
    $300
    Arvada
  160. Hitch bike rack
    $35
  161. GT Bullet Kids Mountain Bike Excellent Condition Fully Serviced
    $180
    Louisville
  162. Raleigh Talus Mountain Bike (XS) Like New Condition Ready to Ride
    $240
    Louisville
  163. DiamondBack Old School BMX Bike great Condition Tuned
    $500
    Louisville
  164. Univega Via Carisma Hybrid / Comfort Bike Excellent Condition Tuned
    $260
    Louisville
  165. RoadMaster Mt. Fury Mountain Bike Great Condition Just Tuned
    $70
    Louisville
  166. Bianchi Volpe Steel Cross-Gravel 49 CM Bicycle
    $225
  167. Elliptigo in Mint condition
    $600
    Loveland
  168. LeMond Buenos Aires vintage steel road, 55cm
    $450
    Erie
  169. JEEP Hardtail Mountain Bike Excellent Condition Ready to Ride
    $200
    Louisville
  170. GIANT MTX 225 Kids Mountain Bike Good Condition Fully Serviced
    $160
    Louisville
  171. HARO V-Series V1 Hardtail Mountain Bike Excellent Condition Just Tuned
    $280
    Louisville
  172. TREK Navigator 200 Hybrid / Comfort Bike Great Condition Just Tuned
    $260
    Louisville
  173. Overland A/T Cargo Fat Tire Class 2 eBike *Only 1 Left*
    $1,500
    Louisville
  174. Heybike Explore E-Bike
    $1,200
    Lafayette, CO
  175. Specialized Stumpjumper Expert mountain/Trail bike
    $360
    Boulder
  176. 1968 Raleigh RSW 16 Compact Bicycle with Bag and Dunlop Balloon Tires!
    $200
    Metro Denver
  177. Road SMALL YOUTH Felt Jr F24 Road Bike Carbon Fork Shimano ~ TUNED UP!
    $80
    Metro Denver
  178. 1993 Kona Kilauea
    $380
  179. Almost Brand New-Folding E Bike
    $200
    Louisville
  180. Trek CrossRip+ Electric Road Bike 52cm
    $1,750
  181. Cervélo Aspero Gravel Bike 54cm
    $3,500
  182. 2021 Yeti SB130 Turq-Series Carbon T1 XL
    $4,000
  183. Giant TCR Carbon Advanced Pro 0 road bike
    $3,199
  184. NISHIKI & PANTERA VINTAGE ROAD AND MNT.BIKES FOR SALE
    $400
  185. Specialized Hard Rock cruiser
    $140
    Longmont
  186. FUJI Nevada 5.0 Mountain Bike (XS) Excellent Condition Ready to Ride
    $240
    Louisville
  187. GIANT Boulder SE Hardtail Mountain Bike Excellent Condition Just Tuned
    $260
    Louisville
  188. TREK SKYE SL Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  189. TREK Navigator 200 Hybrid / Comfort Bike Like New Cond. Fully Serviced
    $340
    Louisville
  190. Cervelo Soloist Team Dura-ace 51cm
    $900
    Niwot
  191. Hot Pink Strider Bike
    $60
    Broomfield
  192. Trek Mountain Track City Commuter Bike -Professionally Tuned Up
    $200
    Boulder
  193. Trek 3500 Mountain Bike
    $250
    North Boulder
  194. Extra Small Trek 8000 Mountain Bike - 26" Wheels- Pro Tuned Up
    $250
    Boulder
  195. Women's Specialized Hybrid - Professionally Tuned Up
    $250
    Boulder
  196. Kids / Boys Specialized Hotrock (Green) Mountain Bike - 24" Wheels
    $225
    Boulder
  197. GT73 e-bike
    $950
  198. Mountain bike (for person less than 5'10")
    $80
    Boulder
  199. GT Outpost Trail Mountain Bike Excellent Condition Fully Serviced
    $240
    Louisville
  200. Niner RLT RDO 53cm w/new GRX DI2 drivetrain.
    $2,200
    Longmont
  201. 2026 Cube Nuroad C62 EX GRX DI2 & lots of carbon! Small
    $4,150
    Longmont
  202. Surly Karate Monkey rigid 29er
    $750
    Boulder
  203. Huffy Bike. Dual Suspension Wheel 24" frame 15 in
    $55
    Boulder
  204. 2026 COMMENCAL SUPREME DH. XL
    $6,000
  205. Diamondback Lustre 1 21 Speed Front Suspension Mountain Bike
    $80
  206. Giant Sedona ST Hybrid / Commuter Bike Great Condition Fully Serviced
    $200
    Louisville
  207. GIANT Cypress Hybrid / Comfort Bike Excellent Condition Fully Serviced
    $340
    Louisville
  208. TREK Superfly 240 Disc Hardtail Mountain Bike Excellent Cond. Tuned
    $460
    Louisville
  209. Cannondale Prophet Full-Susp Mountain Bike XL 26x2.35 3x9
    $600
  210. Trek 3700 23" frame for tall person
    $260
    Boulder
  211. $2,500 Quintana Roo TT Triathlon Race Bike - 55 cm
    $500
    SW Longmont
  212. Salsa Beargrease 2 Fatbike Small
    $1,600
    Louisville
  213. TREK Navigator 400 Step Through Hybrid / Comfort Bike Like New Tuned
    $340
    Louisville
  214. FUJI Newest 3.0 Road Bike Excellent Condition Fully Serviced
    $380
    Louisville
  215. Cannondale Trail 24 Kids Hardtail Mountain Bike Excellent Cond. Tuned
    $380
    Louisville
  216. GIANT MTX 225 Kids Mountain Bike Excellent Condition Ready to Ride
    $240
    Louisville
  217. 2025 Radster Road e-bike
    $1,499
    boulder
  218. steel for a steal - vintage Bianchi Campione d'Italia bicycle
    $375
    Lafayette
  219. Vertigo Titanium Gravel CX
    $2,250
    Boulder
  220. Giant NRS Full Suspension Mountain Bike
    $250
  221. Novara Ponderosa Mountain Bike, 15in (small)
    $225
  222. Schwinn Ranger
    $175
  223. Specialized Eliminator Grid Trail 2Bliss Ready T9 New Bike Tube
    $60
    Superior
  224. Gary Fisher Tassajara Mountain Bike (XS) Excellent Cond. Just Tuned
    $280
    Louisville
  225. Bridgestone MB-5 Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  226. Specialized Globe Hybrid / Comfort Bike Excellent Condition Just Tuned
    $340
    Louisville
  227. Novara Moxie 24 Kids Hardtail Mountain Bike Excellent Condition Tuned
    $240
    Louisville
  228. Look 576 Aero Triathlon Bike L 55cm Carbon Frame and Fork 2009
    $700
  229. USED Giant Explore E bike
    $600
    Niwot
  230. Electra Straight 8
    $350
    Louisville
  231. 2001 Schwinn Homegrown Comp 17"
    $500
    Table Mesa
  232. Mountain Bike
    $150
    Broomfield
  233. 2003 SPECIALIZED Stumpjumper FSR Disc Mountain Bike
    $500
    Broomfield
  234. Moots Smoothie Blend MTB - Size Medium (17")
    $2,000
    Louisville
  235. WeeHoo
    $300
  236. BMC Mountain Bike
    $675
    Longmont
  237. Transition PBJ Dirt Jumper – Large – Chris King / RockShox – $800
    $800
    Boulder - Gunbarrel
  238. Liv Intrigue X Advanced Pro 1 women’s mountain bike
    $4,500
  239. Trek Mountain Bike
    $40
    Lyons
  240. 2011 Specialized Venge S-Works
    $1,500
    Longmont
  241. Specialized kids bikes
    $300
    Firestone
  242. Ride1Up E-bike Rift ST Forest Green
    $1,200
  243. Lemond Reno Bicycle
    $200
    Lafayette
  244. 2024 Santa Cruz Tallboy XX AXS RSV – Brand New, Never Ridden
    $4,000
    Boulder
  245. Santa Cruz Highball XX AXS RSV
    $4,500
    Boulder
  246. 2025 Santa Cruz Stigmata htSQD Limited Edition
    $3,700
    Boulder
  247. BLUR XX AXS FA RSV - size small
    $5,000
    Boulder
  248. Salsa Beargrease
    $725
  249. SCHWINN PERIA CRUISER
    $50
    Longmont
  250. Black Ops BMX Handle Bar, Brand-New!
    $20
    Boulder
  251. Titus Racer X 29er. Titanium frame. Full suspension. 18”.
    $775
    Allenspark
  252. Salsa Fargo adventure bike Size small (16")
    $1,700
    Allenspark
  253. 2014 Jamis Xenith Endura Comp
    $1,100
    Erie
  254. Aventon Pace 350 Step-Thru
    $1,000
    Erie
  255. Trek Dual Sport 2
    $450
  256. REI CTY 1.1 Bike
    $300
    Boulder
  257. Tuesday 5 comfort cruiser
    $250
    boulder
  258. Santa Cruz Julianna full suspension 29" hydralic disc
    $800
    boulder
  259. 1982 Schwinn Pixie
    $195
    Erie
  260. GT full suspension mountain bike, XS
    $500
    Boulder (Gunbarrel)
  261. 2020 Evil the Wreckoning - full carbon L frame
    $1,700
    Boulder, CO
  262. Griff 52V Commercial Fat Tire Beach Cruiser E-Bike - 20aH (1040Wh) - Mint!
    $1,000
    Longmont
  263. Ceiling mount bike hoists - get them outta the way!
    $40
    Gunbarrel / North Boulder
  264. 36" Nimbus Unicycle - Used, Great Operational Shape (Road / Distance)
    $400
    Boulder
  265. Santa Cruz Stigmata
    $1,800
    Lyons
  266. Multiple Bikes for sale
    $85
    Longmont
  267. Specialized Street Stomper
    $250
    Boulder
  268. Moots Psychlo-X RSL 56
    $2,750
    basalt
  269. Segway Ninebot F35 scooter
    $300
    Boulder, Keewaydin Meadows
  270. 2024 Talaria MX4 - Excellent Condition
    $3,000
    Boulder
  271. Trek Discovery Channel Road Bike - Small Mint Condition
    $299
    North Boulder
  272. Giant Mountain Bike size medium
    $120
    Boulder
  273. Diamondback Mountain Bike Size Medium
    $120
    Boulder
  274. For YODERSCO on eBay - Squid Cyclocross
    $1
    Lafayette
  275. COOP DRT 1.2 27.5” Small mountain bike
    $400
    Longmont
  276. 2022 Specialized Turbo Ebike Creo SL Expert Carbon, LG, Excel Cond.
    $3,990
  277. Super73 ZX electric bike
    $1,450
    Boulder
  278. Medium Fat Bike Snow Bike
    $450
    Boulder
  279. Custom BMC Speedmachine 01 TT/Triathlon Bike Medium
    $8,950
    Boulder
  280. Specialized Hard Rock, medium-small custom build
    $160
    Longmont
  281. BMC Roadracer SL01 bicycle
    $950
    Longmont
  282. 2025 Yeti SB140 C2, Size Small, Only 3 Rides, Carbon Trail Bike
    $4,100
  283. Scott Spark RC Team Issue (Large)
    $3,300
    North Boulder
  284. Specialized RipRock 24
    $275
  285. 3-speed Micargi Longboard Fat tire bike
    $150
  286. Co-op Cycles (REI) - DRT 2.1 Mountain Bike - 27.5
    $700
    gunbarrel estates
  287. Classic Schwinn women’s cruiser with baskets
    $50
  288. 24" Trayl Mountain Bike
    $50
    Erie
  289. Santa Cruz Jackal DJ Dirt Jumper
    $1,500
    Louisville
  290. Jamis XR20
    $175
  291. Schwinn Original 1974 10-speed Men's Bicycle
    $300
    Arvada
  292. 2027 Trek Checkout SL7 AXS M/L Bikepacking Bike
    $6,450
    Boulder
  293. Swobo SS/Fixie (M)
    $200
    Longmont
  294. Vintage Schwinn Varsity Bicycle
    $150
    Longmont
  295. Specialized 1998 FSR Extreme/Full Suspension/ All original
    $450
    Denver
  296. LIKE NEW SEGWAY MUXI eBIKE
    $1,750
    Boulder
  297. Specialized Ruby Carbon Road Bike – Ultegra
    $500
    Boulder
  298. Colnago C50 Carbon 52cm – Campagnolo Record
    $1,000
    Boulder
  299. Ritchey Mountain Bike: Studded Tires (for winter) + Road Tires
    $175
    Boulder
  300. Super 73 S2
    $1,500
    Lafayette
  301. Sun Cruiser bike
    $175
    N. Boulder
  302. Clean IRO Rob Roy Single-Speed / Fixed-Gear Commuter
    $300
    Longmont
  303. Schwinn Cruiser
    $170
    Nederland
  304. old school BMX magazines ($35 per issue)
    $35
    Lafayette
  305. Da Vinci Tandem
    $2,000
    Lafayette
  306. Electra women’s Bicycle
    $200
  307. Kids Specialized 16" Riprock
    $125
  308. Trek 7100 Bicycle with Basket
    $160
  309. Steel Trek 21"
    $250
    Louisville
  310. Trek 1000 SL WSD Road Bike
    $250
    Louisville
  311. SEVEN Axiom Road Bike
    $550
    Boulder
  312. Shogun 200 series road bike 26
    $50
    Longmont
  313. Raleigh 6 speed 20” bike
    $100
    Longmont
  314. 20” Priority Belt drive 3 speed
    $200
    Longmont
  315. 2026 Orbea Rise LT M10 eBike 630w L + Carbon Wheel Upgrade | <50 Miles
    $6,100
  316. Quality Refurbished Bicycles @ Boulder Affordable Bicycles
    $200
    Boulder
  317. Full Suspension Mountain Bike - Maverick ML-8
    $1,500
    Boulder
  318. Trek Speed Concept 9.9 + Enve Wheels + Upgrades
    $2,900
    Broomfield
  319. Classic Rat Fink Cruiser is one COOL ride!
    $699
    Estes Park
  320. Used 2010 Bianchi Impulso
    $400
    Lafayette
  321. Used 2014 Bianchi Metropoli Uno
    $275
    Lafayette
  322. Vintage 1982 Sekai 2000 Road Bike -19.5" Small Frame (Japan)
    $275
    Boulder
  323. Trek FX2 Disc Road/Hybrid Bike 20inch
    $250
    Boulder
  324. Univega single speed
    $40
    Longmont
  325. Univega Nuovo Sport
    $100
  326. Diamondback Sorrento mountain bike
    $70
    Longmont
  327. Grand Tour Road Bike
    $100
  328. Specialized Rockhopper mountain bike
    $100
    Longmont
  329. 57cm (L) Vintage Trek Carbon U.S. Postal Service (USPS) team mt. bike
    $850
    Boulder, CO
  330. Kids' Extra Small Specialized Mountain Bikes - 26" Wheels-Tuned Up
    $250
    Boulder
  331. Extra Small Specialized Comp Kids Mountain Bike - 26" Wheels
    $250
    Boulder