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craigslist

Bicycles For Sale By Owner in Boulder, CO

  1. see also

    electric bikes

    kids bikes

    mountain bikes

    road bikes

  2. old school BMX magazines ($35 per issue)
    $35
    Lafayette
  3. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Fork, Bottom bracket b $279
  4. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Fork, Bottom bracket b $279
  5. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    New: Part Out $299!! Frame , Fork, Aurora Alameda @ I225
  6. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Part out Frame Fork BB Stem Han $299
  7. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Frame,Fork, Stem Han $299!!
  8. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Part out, Frame Set $299!!!
  9. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    New! Part out Frame , Fork BB Stem Handlebars $269!!!!
  10. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    New Part out Frame and Fork $259!!! Aurora Alameda @ I225
  11. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Part out, Frame, fork BB stem bars
  12. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Now $499!!! NEWPart out!, Frameset $279!!!
  13. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Now $499!!! Aurora Alameda @ I225
  14. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Now $499!!! NEWPart out!, Frameset $279!!!
  15. Trek 830 Mountain Track Bike 19in 3x7 26x2.1
    $190
  16. Vintage Schwinn Road Bike
    $150
    SW Longmont
  17. Quintana Roo TT Triathlon Race Bike - 55 cm
    $500
    SW Longmont
  18. Raleigh Technium ATB-All Terrain Bike Excellent Cond. Fully Serviced
    $320
    Louisville
  19. Raleigh Talus Mountain Bike (XS) Like New Condition Ready to Ride
    $240
    Louisville
  20. Raleigh Venture 3.0 Hybrid / Comfort Bike Excellent Condition Tuned
    $300
    Louisville
  21. GIANT MTX 225 Kids Mountain Bike Excellent Condition Ready to Ride
    $240
    Louisville
  22. Bike Sale
    $100
    Longmont
  23. LeMond Buenos Aires vintage steel road, 55cm
    $450
    Erie
  24. 2026 Trek Verve 3 lowstep gen 5 as new, size is Medium
    $800
  25. Dean Titanium "soft tail" Mountain Bike
    $850
    Longmont
  26. K2 Cheyenne Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  27. K2 ZED 1.0 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  28. DiamondBack Old School BMX Bike great Condition Tuned
    $500
    Louisville
  29. Canyon Ultimate CF SL Disc 8.0 Ultegra Di2 - (Boulder)
    $2,250
    Boulder
  30. (2) Set of 1970 Sears Brand Cruisers from AUSTRIA Size 21"/19" TUNED!
    $180
    Metro Denver
  31. Biktrix Juggernaut Ultra 1000 Pro
    $1,500
    Erie
  32. Giant Revel W1 Disc Woman’s Hardtail Mountain Bike Excellent Tuned
    $380
    Louisville
  33. Diamondback Vital 2 Woman's Hybrid / Comfort Bike Like New Just Tuned
    $280
    Louisville
  34. HARO V-Series V1 Hardtail Mountain Bike Excellent Condition Just Tuned
    $280
    Louisville
  35. GT Outpost Trail Mountain Bike Excellent Condition Fully Serviced
    $240
    Louisville
  36. 3 Brand New Walmart Huffy Mountain Bikes
    $50
    Boulder
  37. 2012 Specialized Stumpjumper FSR Carbon Full Suspension Mountain Bike
    $700
    Erie, CO
  38. cruiser bike
    $120
    Boulder
  39. Trek Mountain bike 19" frame
    $140
    Boulder
  40. Schwinn Le Tour GS race road bike
    $200
    Boulder
  41. 2005 Raleigh prestige Carbon fiber race road bike 55cm
    $300
    Boulder
  42. Trek bicycle
    $200
    Boulder
  43. 2003 SPECIALIZED Stumpjumper FSR Disc Mountain Bike
    $800
    Broomfield
  44. GT Bullet Kids Mountain Bike Excellent Condition Fully Serviced
    $180
    Louisville
  45. FUJI Newest 3.0 Road Bike Excellent Condition Fully Serviced
    $380
    Louisville
  46. TREK Superfly 240 Disc Hardtail Mountain Bike Excellent Cond. Tuned
    $460
    Louisville
  47. TREK Navigator 200 Hybrid / Comfort Bike Great Condition Just Tuned
    $260
    Louisville
  48. Felt DA UHC Nano Carbon Fiber Triathlon/Time Trial Frame Fork Wheelset
    $280
    Metro Denver
  49. Big Shot SINGLE SPEED FIXIE 60cm for 5'10-6'6 NEW RECENT BUILD UP!
    $125
    Metro Denver
  50. Vintage 80s Guerciotti Sprint Red Frame Fork CAMPAGNOLO Etc. 56cm
    $100
    Metro Denver
  51. 2023 Liv Alight Aluminum Hybrid Bike-Size Medium
    $195
    Louisville
  52. bicycle trailer stroller
    $180
  53. Isla Beinn 20" bike
    $250
    SW Boulder
  54. Mondraker Leader 16-inch *geared* kid's bike
    $400
    SW Boulder
  55. 26 In, Bike Vector, Haro, 18-speeds 17.5" Frame, Excellent Condition
    $50
    Boulder
  56. Trek Skye S Girls Hybrid Fitness Bike, 24 Speed Excellent Condition
    $65
    Boulder
  57. Bike, Raleigh M50 Mountain Trail- Chromoly Frame, Frame 16 in 24 speed
    $55
    Boulder
  58. fat tire ebike (rad rover plus 6)
    $1,100
    erie
  59. Pivot Mach 4 SL Team World Cup Mountain Bike XL
    $5,450
    Boulder
  60. Bike Project - Janic Custom Steel Frame by Steve Dorris
    $150
    Longmont
  61. Razor flash back scooter
    $80
  62. Australian "Malvern Star Sprint 1.0" - 700c Road wheels/tires
    $100
    Longmont
  63. Dero Fixit Repair Station NEW
    $400
    Longmont
  64. Giant Sedona ST Hybrid / Commuter Bike Great Condition Fully Serviced
    $200
    Louisville
  65. Bridgestone MB-5 Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  66. TREK 720 MultiTrack Hybrid / Comfort Bike Excellent Condition Tuned
    $280
    Louisville
  67. TREK Navigator 200 Hybrid / Comfort Bike Like New Cond. Fully Serviced
    $340
    Louisville
  68. HIBOY P6 electric mountain bike
    $950
    Lafayette
  69. Trek FX 7.1 Fast Hybrid - Professionally Tuned Up
    $250
    Boulder
  70. Kids' Extra Small Specialized Mountain Bikes - 26" Wheels-Tuned Up
    $250
    Boulder
  71. Women's Trek (Turquoise) Step Through Comfortable Hybrid
    $250
    Boulder
  72. Kids / Boys Specialized Hotrock (Green) Mountain Bike - 24" Wheels
    $225
    Boulder
  73. Kids Scott Orange Mountain Bike - 24" Wheels - Mint Condition
    $225
    Boulder
  74. Miyata Hybrid Bicycle - Professionally Tuned Up
    $250
    Boulder
  75. Extra Small Trek 8000 Mountain Bike - 26" Wheels- Pro Tuned Up
    $250
    Boulder
  76. Trek 820 Hybrid Commuter Bike - Professionally Tuned Up
    $225
    Boulder
  77. Trek Mountain Track City Commuter Bike -Professionally Tuned Up
    $200
    Boulder
  78. Schwinn Moab 24 Speed Mountain Bike- Professionally Tuned Up
    $250
    Boulder
  79. Trek 4500 Women's Hardtail Mountain Bike - Professionally Tuned Up
    $250
    Boulder
  80. Gary Fisher Joshua X1
    $220
    Superior
  81. Raleigh Capri 3 Women’s Road Bike 54cm 2x11 700x25C
    $375
  82. Schwinn Crisscross bike
    $100
    Boulder
  83. Motobecane
    $188
    Longmont
  84. Scott Spark 710, 2017
    $1,800
  85. KHS Montana Custom Hybrid/Comfort Bike Excellent Cond. Just Tuned
    $240
    Louisville
  86. TREK MT220 Kids Hardtail Mountain Bike Excellent Condition Tuned
    $260
    Louisville
  87. CLEARY Scout 26 Kids Hardtail Mountain Bike Excellent Condition Tuned
    $560
    Louisville
  88. Vintage Schwinn Super Le Tour
    $40
    South Boulder
  89. Specialized RockHopper Mountain Bicycle 🚵‍♂️
    $200
    South Boulder
  90. Trek 3900 WSD Mountain Bicycle
    $200
    South Boulder
  91. Giant ATX780 Front Suspension Mountain Bike
    $200
    South Boulder
  92. Gary Fisher Mamba Front Suspension Mountain Bike
    $200
    South Boulder
  93. Gary Fisher Napa Mointain Bike
    $250
    South Boulder
  94. Motobecane Elite Adventure 28" Gravel Hybrid Bike
    $200
    South Boulder
  95. GT Aggressor 3.0 Mountain Bike
    $150
    South Boulder
  96. Trek 7500 Multitrack Comfort Hybrid Bike
    $200
    South Boulder
  97. Vintage Klein Stage Road Bike 58 cm
    $500
    Boulder
  98. Specialized Stumpjumper Expert mountain/Trail bike
    $860
    Boulder
  99. TREK 1000 SL Road Bike Excellent Condition Fully Serviced
    $380
    Louisville
  100. GIANT Simple Seven Woman's Cruiser Bike Like New Condition Just Tuned
    $200
    Louisville
  101. Corsa R-Fourteen Road Bike Excellent Condition Fully Serviced
    $280
    Louisville
  102. Univega Via Carisma Hybrid / Comfort Bike Excellent Condition Tuned
    $260
    Louisville
  103. RoadMaster Mt. Fury Mountain Bike Great Condition Just Tuned
    $70
    Louisville
  104. Specialized Stumpjumper mountain bike
    $300
  105. Specialized Stumpjumper mountain bike
    $250
  106. Hot Pink Strider Bike
    $100
    Broomfield
  107. Pink Strider Sport Bike
    $80
    Broomfield
  108. Mongoose Montana 21 Speed Front Suspension Mountain Bike
    $100
  109. kids bike -- Specialized Rockhopper
    $95
    Niwot
  110. New Belgium
    $200
    Longmont
  111. Schwinn Le Tour 10 Speed Tall Frame Road Bike
    $125
  112. Marin San Rafael City Series 24 Speed Hybrid
    $150
  113. Giant Cypress SX 27 Speed Hybrid
    $150
  114. Trail-A-Bike Folder Kids Bike Attachment
    $60
  115. GIANT MTX 225 Kids Mountain Bike Good Condition Fully Serviced
    $160
    Louisville
  116. TREK SKYE SL Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  117. Novara Moxie 24 Kids Hardtail Mountain Bike Excellent Condition Tuned
    $240
    Louisville
  118. Schwinn Broadway
    $160
    Boulder
  119. Diamondback Lustre 1 21 Speed Front Suspension Mountain Bike
    $80
  120. 2010 Trek 520
    $700
    North Boulder
  121. Trek Madone 4.7 Womens Bicycle
    $600
    N. Boulder
  122. TREK 4300 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  123. Raleigh USA M-55 Hardtail Mountain Bike Excellent Condition Just Tuned
    $220
    Louisville
  124. TREK 750 MultiTrack Hybrid / Comfort Bike Excellent Condition Tuned
    $280
    Louisville
  125. TREK 1000C Road Bike Excellent Condition Fully Serviced
    $380
    Louisville
  126. Specialized Globe Hybrid / Comfort Bike Excellent Condition Just Tuned
    $340
    Louisville
  127. Cannondale Habit carbon with Lefty fork
    $350
    Fort Collins
  128. Schwinn Jaguar 7 Speed Cruiser
    $100
  129. Pacific Quasar 21 Speed Mountain Bike
    $100
  130. BEAUMONT CITY BIKE STEP THROUGH 7 SPEED
    $85
    Boulder
  131. Diamondback Outlook Mountain Bike, Wheel Size 26 in
    $65
    Boulder
  132. Huffy Trail Runner Mountain Bike – Wheel Size 24" (For Kids)
    $65
    Boulder
  133. CANNONDALE ALUMINUM PATENTED DESIGN Weels 26
    $65
    Boulder
  134. Roadmaster Bicycle Type Mountain Bikes, Wheel Diameter 26"
    $60
    Boulder
  135. Huffy 26in Illumina 18 Speed Mountain Bike
    $50
    Boulder
  136. Schwinn Sierra 21 Speed Front Suspension Hybrid
    $100
  137. Novara Arriba 21 Speed Front Suspension Mountain Bike
    $125
  138. Vintage Trek 2300 Bro Carbon Road Bike with Shimano Tri Color 600!
    $598
    Part out: Frame, Fork bottom Bracket Stem Handlebars $299!!!
  139. GIANT Boulder SE Hardtail Mountain Bike Excellent Condition Just Tuned
    $260
    Louisville
  140. TREK Navigator 400 Step Through Hybrid / Comfort Bike Like New Tuned
    $340
    Louisville
  141. TREK Navigator 2.0 Hybrid/Comfort Bike Excellent Condition Just Tuned
    $300
    Louisville
  142. Specialized Rockhopper Comp
    $260
  143. Shimano Rotors / New with hardware 180
    $25
    Lafayette
  144. Trek 8000 Series Aluminum Deore XT 17 inch
    $180
  145. Giant Carbon Hybrid 19inch
    $180
  146. Kona ultralight Steel 16 1/2 inch frame
    $180
  147. Stumpjumper 18 inch vintage Aluminum
    $260
  148. Specialized Rockhopper comp 15 1/2 frame
    $260
    Boulder
  149. Specialized Stump Jumper Classic
    $260
    Boulder
  150. Kona Lava Dome Steel Hard Tail 16 inch
    $180
    Boulder
  151. Trek 8000 series Aluminum. 17 inch
    $180
    Boulder
  152. Giant Defy Advanced 3 large
    $495
  153. Bike trainer
    $50
    Superior
  154. Knee Scooter
    $40
    Louisville
  155. Large Specialized Stumpjumper Carbon 29er with carbon wheels
    $2,499
    Boulder
  156. GT Speed Series Team Bike
    $1,700
    Lafayette
  157. Giant Roam 2 E-bike Electric Bicycle w/ Bafang Mid Drive Motor
    $1,500
    South Boulder
  158. Giant Liv Alight 3 Hybrid Commuter Comfort Bicycle
    $200
    South Boulder
  159. REI Co-op Cycles ADV 3.1 Adventure Bicycle
    $600
    South Boulder
  160. Specialized Crossroads Hybrid Bicycle Aluminum Frame
    $300
    South Boulder
  161. GT Agressor Mountain Bicycle XXL Aluminum Frame
    $200
    South Boulder
  162. Gary Fisher Tassajara GS Mountain Bike
    $250
    South Boulder
  163. Schwinn Clear Creek Comfort Bicycle
    $120
    South Boulder
  164. Schwinn Ranger Comfort Commuter 21 Speed Bicycle
    $200
    South Boulder
  165. Specialized Expedition Sport Mountain Bike
    $200
    South Boulder
  166. Gary Fisher Kaitai Aluminum Frame Front Suspension Mountain Bike
    $250
    South Boulder
  167. Cannondale Competition Series 3.0 SM900 Aluminum Frame Mountain Bike
    $400
    South Boulder
  168. Gary Fisher Joshua X1 Full Suspension Mountain Bike
    $300
    South Boulder
  169. Trek 2100 ZX Carbon Frame Road Bicycle
    $300
    South Boulder
  170. Cannondale Scalpel 29" Carbon 2 Lefty Mountain Bike
    $1,000
    South Boulder
  171. Giant Boulder Mountain Bike
    $180
    South Boulder
  172. Jamis Citizen 2 Comfort Bicycle
    $250
    South Boulder
  173. Marin San Rafael DS2 - Aluminum Frame, Disc Brakes
    $260
    South Boulder
  174. Bianchi Vigorelli Bicycle Frame and Fork
    $250
    South Boulder
  175. Bianchi 1885 Reparto Corse Bicycle HAND MADE in ITALY
    $900
    South Boulder
  176. Kona NuNu Mountain Bike
    $200
    South Boulder
  177. Trek Fuel 90 Full Suspension Mountain Bike 🚲
    $350
    South Boulder
  178. Gary Fisher Utopia Hybrid Urban Commuter Bike 🚴‍♂️
    $200
    South Boulder
  179. Schwinn Traveler Road Bike - Vintage
    $200
    South Boulder
  180. Nishiki Bravo Mtn Bicycle
    $125
    South Boulder
  181. Cannondale F600 Comp Mountain Bicycle
    $250
    South Boulder
  182. Gary Fisher Cake 3 DLX Bicycle Full Suspension Hydraulic Disc Brakes
    $450
    South Boulder
  183. Specialized HardRock FS Mountain Bike - Silver
    $200
    South Boulder
  184. Trek 6500 Aluminum Frame Mountain Bicycle - Blue
    $200
    South Boulder
  185. Trek 6500 Aluminum Frame Mountain Bike - Orange
    $200
    South Boulder
  186. GT Aggressor 2.0 Aluminum Frame Mountain Bike
    $200
    South Boulder
  187. Fuji Nevada Mountain Bike
    $150
    South Boulder
  188. Fuji Eddy Mountain Bicycle
    $150
    South Boulder
  189. GT Outpost All Terra Vintage Mountain Bike
    $200
    South Boulder
  190. Giant Rincon Mountain Bicycle
    $200
    South Boulder
  191. GT Outpost Mountain Bicycle - Front Suspension
    $175
    South Boulder
  192. Kona Hoss Aluminum Frame Mountain Bike
    $250
    South Boulder
  193. Kona Cinder Cone Suspension Mountain Bicycle
    $250
    South Boulder
  194. Specialized Hardrock Punk Mountain Bike
    $200
    South Boulder
  195. GT Saddleback Mountain Bike - Front Suspension
    $125
    South Boulder
  196. Schwinn Woodlands Commuter Hybrid Bike
    $150
    South Boulder
  197. Schwinn Super Sport GL Road Bike Aluminum Frame
    $250
    South Boulder
  198. Classic Schwinn s [ 9 five] .3 Aluminum Mountain Bike
    $175
    South Boulder
  199. Centurion Dave Scott Ironman Expert Vintage Bicycle
    $400
    South Boulder
  200. Classic Diamondback Ascent Mountain Bicycle 🚵‍♂️
    $140
    South Boulder
  201. Schwinn Mesa GS Aluminum Frame Suspension Mountain Bike bicycles
    $200
    South Boulder
  202. Felt FA SL Superlight Aluminum Road Bicycle
    $700
    South Boulder
  203. Specialized Hardrock Sport Mountain Bike
    $250
    South Boulder
  204. Specialized Roll Sport Comfort Hybrid Bike
    $250
    South Boulder
  205. Castellano Fango Softail Aluminum Frame Mountain Bicycle
    $380
    South Boulder
  206. Schwinn Mesa GSX Aluminum Mountain Bike Front Suspension
    $250
    South Boulder
  207. Cannondale F300 Front Suspension Mountain Bike
    $275
    South Boulder
  208. Torker U District Urban City Single Speed Bicycle
    $120
    South Boulder
  209. Trek 7.3 FX Bicycle
    $250
    South Boulder
  210. Specialized RockHopper Bicycle 🚲
    $200
    South Boulder
  211. Free Bike Basket
    $0
    Longmont
  212. Must go tonight or tomorrow
    $400
  213. FUJI Monterey Hybrid / Comfort Bike Like New Condition Fully Serviced
    $380
    Louisville
  214. TREK 3500 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  215. Hyper Spin Fusion 700C Hybrid / Road Bike Excellent Condition Tuned
    $180
    Louisville
  216. SCHWINN Sierra GS Woman's Hybrid / Comfort Bike Excellent Cond. Tuned
    $220
    Louisville
  217. 2004 Nissan Frontier crew cab - 247K
    $6,000
  218. Vintage road bike - centurion
    $200
  219. Vintage bicycles and bike rack
    $50
  220. Hybrid commuter bike - ready to ride - medium - OBO
    $200
  221. Kids 20" Polygon Relic Mountain Bike
    $100
    lafayette
  222. Kids 24" Diamond Back Sync 24
    $300
    lafayette
  223. Trek Madone SL 5.9 carbon road bike - 2007 54.5 cm
    $799
    Boulder
  224. Trek Verve 3 Disc Lowstep (Medium, Purple)
    $375
    Boulder
  225. Miyata 21 Speed Hybrid
    $100
  226. Triathlon bike
    $1,900
    Dillon
  227. Ceiling mount bike hoists - get them outta the way!
    $40
    Gunbarrel / North Boulder
  228. Orange Priority 24" Bike (Ages 7 - 13)
    $125
    Louisville
  229. Blue Priority 24" Bike (Ages 7 - 13)
    $125
    Louisville
  230. 2026 Cannondale Habit HT 1
    $1,200
    Arvada
  231. Trek Speed Concept Large
    $1,490
    Boulder
  232. 2015 Santa Cruz Nomad C Small
    $1,500
    Boulder
  233. Ancheer 26" Electric Mountain Bike MAX
    $60
    Boulder
  234. JEEP Hardtail Mountain Bike Excellent Condition Ready to Ride
    $200
    Louisville
  235. 2001 Schwinn Homegrown Comp 17"
    $575
    Table Mesa
  236. Brand New Recumbent Ebike (Trike)
    $1,100
    Table Mesa
  237. Cool , 70’s. 3 speed cruiser
    $65
    Longmont
  238. True Fitness EZ700 Recumbent Bike
    $2,500
    Longmont
  239. 2024 Santa Cruz Tallboy XX AXS RSV – Brand New, Never Ridden
    $7,000
    Boulder
  240. GIANT Cypress Hybrid / Comfort Bike Excellent Condition Fully Serviced
    $340
    Louisville
  241. 2026 Santa Cruz Blur XX AXS Flight Attendant Reserve Carbon CC – Size Small
    $6,700
    Boulder
  242. Santa Cruz Highball XX AXS RSV
    $6,500
    Boulder
  243. Giant TCR Alliance road bike Extra Large frame
    $500
    Frasier Meadows/Boulder
  244. '77 Schwinn Speedster large
    $200
    Lafayette
  245. Bulls iconic evo2 speed ebike
    $1,600
  246. 2025 Santa Cruz Stigmata htSQD Limited Edition
    $5,700
    Boulder
  247. Trek double bike trailer/stroller
    $140
  248. BLUR XX AXS FA RSV - size small
    $7,000
    Boulder
  249. Colnago Nuovo Mexico Frame, 54cm C-T, Saronni Red, Ex++
    $800
    Golden
  250. Dean Titanium 56cm Road Bike – Excellent Condition
    $1,000
    Boulder
  251. REI Co-Op CTY 2.1 24-Speed Hybrid Men's Bike in Medium Hydraulic Brake
    $300
    Lafayette
  252. 2022 Specialized Roubaix Expert
    $3,200
    Erie
  253. GIANT TCX CARBON
    $1,400
    BOULDER
  254. ET Cycle T-1000 Fat Tire E-Bike Only 173 Miles
    $1,250
  255. Magnum Pathfinder 500 E-Bike 20" Step-Through Frame
    $650
  256. Obed GVR Large Carbon Gravel Bike
    $2,295
    Boulder
  257. Gravity Single-Speed Fixie Track Bike
    $300
    Longmont
  258. Trek 620
    $250
    Louisville
  259. Steel Trek 21"
    $250
    Louisville
  260. Trek Wasabi Cruiser
    $50
  261. Phat Aloha Mahalo Cruiser
    $250
    boulder
  262. Kayak-Dagger G-Ride 62 Whitewater Playboat
    $200
  263. gravel bike
    $2,800
    Boulder
  264. Trek Stache "Bikepacking" 29+
    $800
    Longmont
  265. New E-Bike!
    $1,000
    Longmont
  266. Specialized Turbo Levo SL 2 Comp Carbon Large-Brand New!!!
    $5,300
    Louisville
  267. Schwinn “Sid” automatic 3 speed cruiser
    $200
    Louisville
  268. GT Pro Performer 29” World Tour
    $950
  269. Small Specialized Mountain Bike
    $250
  270. Cannondale CAAD 9 frameset 52cm
    $275
    Boulder County
  271. Spot Brand Highline Belt Drive Bike
    $1,200
    Boulder
  272. Colorado-Made Carbon 29er, Guerilla Gravity / ENVE / X01 / FOX
    $2,700
    Boulder
  273. Circa 1980 Colnago Super
    $1,550
    North Boulder
  274. Fuji Roubaix Road Bike, 60cm, X-Large
    $300
    Longmont
  275. Litespeed Titanium Race Bike
    $500
    Boulder
  276. Fuji E-Traverse 2.1 Electric Bike - Commuting, Light Off-Road
    $500
    Longmont
  277. Specialized Dolce Elite Road Bike, Women's Medium
    $300
    Longmont
  278. Evelo Compass Electric Trike, Class 2, Low Miles!
    $1,900
    Longmont
  279. GIANT MTX 250 Kids Bike
    $150
    Louisville
  280. Bikes
    $100
    Longmont
  281. TREK 720 bike
    $150
    Boulder
  282. Kona Fire MTB bike
    $80
    Gunbarrel
  283. VELO ORANGE SMOOTH TOURING SADDLE
    $35
    Gunbarrel
  284. 2015 Pinarello ROKH sz 57cm carbon - low miles, 1 owner, Excel
    $1,500
    Boulder
  285. Reeb SST Large
    $1,999
  286. Thule Bike Rack
    $600
  287. Schwinn Circuit Hybrid Bike
    $140
    Erie
  288. Fuji Track Pro (54cm), carbon fork, carbon cranks
    $500
    boulder
  289. Specialized Rockhopper 13” kids bike
    $75
    Longmont
  290. Specialized AWOL Comp: More Passport Stamps Than Most People
    $990
    Boulder
  291. Subaru Bike Rack for 1 1/4" hitch receiver
    $25
    Louisville
  292. TCR Advanced SL: 15 pound road bike, amazing price
    $1,700
  293. Kids Bike, Scooter
    $50
    Niwot
  294. Nearly New Specialized Turbo Tero 3.0 Step-Through E-Bike
    $1,800
  295. Elliptigo in Mint condition
    $1,000
    Loveland
  296. Trek 3200 - Excellent Condition
    $250
    Boulder
  297. Women's Trek (Purple) Step Through Comfortable & Upright Hybrid
    $250
    Boulder
  298. Women's Specialized Hybrid - Professionally Tuned Up
    $250
    Boulder
  299. Da Vinci Tandem
    $3,000
    Lafayette
  300. Schwinn Ranger 26” Mountain Bike - $180
    $180
    Boulder
  301. Pinarello kids road 24
    $250
    Boulder
  302. Trek Marlin 6 Gen 2 Mountain Bike — XS
    $575
    Boulder
  303. Infinity Boss Three 700C Comfort Bike – Very Good Condition
    $59
    Erie
  304. Woman Huffy Bike
    $75
    Longmont
  305. Greg Lemond Nevada City Road Bike
    $225
    Longmont
  306. Vintage Peugeot PA 65 bicycle
    $300
    Niwot
  307. BH Crystal Woman's carbon road bike - Small
    $750
    e boulder
  308. Sunliner cruiser
    $80
    Lafayette
  309. Marin Rift Zone Junior
    $1,500
    Boulder
  310. Trek 3500 Mountain Bike
    $250
    North Boulder
  311. Extra Small Specialized Comp Kids Mountain Bike - 26" Wheels
    $250
    Boulder
  312. Women's Nishiki Simple 7 Speed Commuter With Rack - Tuned Up
    $200
    Boulder
  313. Torker Bicycle - 26" Wheel - Single Speed
    $50
    Erie
  314. Giant NRS Full Suspension Mountain Bike
    $250
  315. 2018 Specialized Enduro Pro Carbon 29/6Fattie (S4 / Large)
    $2,000
    Longmont
  316. Vintage 3 speed bikes
    $20
    BOULDER
  317. trail/cruiser Raleigh SC-200 gravel bike
    $225
    superior
  318. 3-speed commuter bike
    $250
    superior
  319. Enduro multi-speed bike for sale
    $30
    Erie
  320. CO-OP 1.1 DRT Mountain Bike For Sale!
    $400
    Boulder
  321. Linus Mixte
    $500
    Boulder
  322. Gary Fisher Mako mountain bike
    $215
    Longmont
  323. Trek Discovery Channel Road Bike - Small Mint Condition
    $360
    North Boulder
  324. *Brand New* Wike Special Needs Size Large cle/walking/jogging trailer
    $600
    Firestone
  325. Fuji Crosstown Bike
    $200
    Boulder
  326. Yeti SB4.5 Carbon Large X01 Eagle Fox Factory
    $3,499
    Louisville
  327. Commencal Supreme DH Mullet Öhlins Excellent Condition
    $4,999
    Louisville
  328. Townie Bike
    $175
  329. Townie Bike
    $175
  330. Black Ops BMX Handle Bar, Brand-New!
    $20
    Boulder
  331. Salsa Beargrease 2 Fatbike Small
    $1,600
    Louisville