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craigslist

Bicycles For Sale in Boulder, CO

  1. see also

    electric bikes

    kids bikes

    mountain bikes

    road bikes

  2. Specialized kids bikes
    $300
    Firestone
  3. Trek Wahoo 24” Inch Bike Bicycle Kid Kids Children Childrens
    $300
  4. Novara Moxie 24 Kids Hardtail Mountain Bike Excellent Condition Tuned
    $240
    Louisville
  5. Specialized Globe Hybrid / Comfort Bike Excellent Condition Just Tuned
    $340
    Louisville
  6. TREK 1000 SL Road Bike Excellent Condition Fully Serviced
    $380
    Louisville
  7. Juiced RipRacer ebike Excellent condition
    $980
    Boulder
  8. Raleigh Venture 3.0 Hybrid / Comfort Bike Excellent Condition Tuned
    $280
    Louisville
  9. TREK 3500 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  10. Salsa Beargrease
    $725
  11. 26 In, Bike Vector, Haro, 18-speeds 17.5" Frame, Excellent Condition
    $45
    Boulder
  12. 2010 Trek 520
    $700
    North Boulder
  13. Trek Madone 4.7 Womens Bicycle
    $600
    N. Boulder
  14. GT Outpost Trail Mountain Bike Excellent Condition Fully Serviced
    $240
    Louisville
  15. FUJI Newest 3.0 Road Bike Excellent Condition Fully Serviced
    $380
    Louisville
  16. Corsa R-Fourteen Road Bike Excellent Condition Fully Serviced
    $280
    Louisville
  17. Raleigh Technium ATB-All Terrain Bike Excellent Cond. Fully Serviced
    $320
    Louisville
  18. Specialized Hardrock Punk Mountain Bike
    $200
    South Boulder
  19. GT Outpost Mountain Bicycle - Front Suspension
    $175
    South Boulder
  20. Giant Rincon Mountain Bicycle
    $200
    South Boulder
  21. GT Outpost All Terra Vintage Mountain Bike
    $200
    South Boulder
  22. Fuji Nevada Mountain Bike
    $150
    South Boulder
  23. Fuji Eddy Mountain Bicycle
    $150
    South Boulder
  24. GT Aggressor 2.0 Aluminum Frame Mountain Bike
    $200
    South Boulder
  25. Trek 6500 Aluminum Frame Mountain Bike - Orange
    $200
    South Boulder
  26. Specialized HardRock FS Mountain Bike - Silver
    $200
    South Boulder
  27. Gary Fisher Cake 3 DLX Bicycle Full Suspension Hydraulic Disc Brakes
    $450
    South Boulder
  28. Cannondale F600 Comp Mountain Bicycle
    $250
    South Boulder
  29. Specialized Hardrock Sport Mountain Bike
    $250
    South Boulder
  30. Felt FA SL Superlight Aluminum Road Bicycle
    $700
    South Boulder
  31. Schwinn Mesa GS Aluminum Frame Suspension Mountain Bike bicycles
    $200
    South Boulder
  32. Specialized Pitch 27.5 Mountain Bike
    $300
    South Boulder
  33. Specialized RockHopper Mountain Bicycle 🚵‍♂️
    $200
    South Boulder
  34. Trek 3900 WSD Mountain Bicycle
    $200
    South Boulder
  35. Gary Fisher Mamba Front Suspension Mountain Bike
    $200
    South Boulder
  36. GT Aggressor 3.0 Mountain Bike
    $150
    South Boulder
  37. Giant Roam 2 E-bike Electric Bicycle w/ Bafang Mid Drive Motor
    $1,500
    South Boulder
  38. REI Co-op Cycles ADV 3.1 Adventure Bicycle
    $600
    South Boulder
  39. Gary Fisher Tassajara GS Mountain Bike
    $250
    South Boulder
  40. Schwinn Ranger Comfort Commuter 21 Speed Bicycle
    $200
    South Boulder
  41. Specialized Expedition Sport Mountain Bike
    $200
    South Boulder
  42. Trek 2100 ZX Carbon Frame Road Bicycle
    $300
    South Boulder
  43. Cannondale Scalpel 29" Carbon 2 Lefty Mountain Bike
    $1,000
    South Boulder
  44. Giant Boulder Mountain Bike
    $180
    South Boulder
  45. Bianchi 1885 Reparto Corse Bicycle HAND MADE in ITALY
    $900
    South Boulder
  46. Niner RLT 9 - XL Frame (62 CM)
    $1,950
    Boulder
  47. GIANT MTX 225 Kids Mountain Bike Excellent Condition Ready to Ride
    $240
    Louisville
  48. Bridgestone MB-5 Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  49. TREK SKYE SL Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  50. KHS Montana Custom Hybrid/Comfort Bike Excellent Cond. Just Tuned
    $240
    Louisville
  51. Large Specialized Stumpjumper Carbon 29er with carbon wheels
    $2,499
    Boulder
  52. GIANT Boulder SE Hardtail Mountain Bike Excellent Condition Just Tuned
    $260
    Louisville
  53. TREK Superfly 240 Disc Hardtail Mountain Bike Excellent Cond. Tuned
    $460
    Louisville
  54. Pivot Mach 4 SL Team World Cup Mountain Bike XL
    $4,495
    Boulder
  55. 2023 Trek FX 2
    $550
    Martin Acres, Boulder
  56. Schwinn Original 1974 10-speed Men's Bicycle
    $300
    Arvada
  57. Bike, Mountain- Chromoly Frame, Frame 16 in 24 speed
    $65
    Boulder
  58. Castellano Fango Softail Aluminum Frame Mountain Bicycle
    $360
    South Boulder
  59. Ceiling mount bike hoists - get them outta the way!
    $40
    Gunbarrel / North Boulder
  60. TREK MT220 Kids Hardtail Mountain Bike Excellent Condition Tuned
    $260
    Louisville
  61. Hyper Spin Fusion 700C Hybrid / Road Bike Excellent Condition Tuned
    $180
    Louisville
  62. TREK 1000C Road Bike Excellent Condition Fully Serviced
    $380
    Louisville
  63. Huffy Mountain Bike. Dual Suspension Wheel 24" frame 15 in
    $55
    Boulder
  64. Swobo SS/Fixie (M)
    $250
    Longmont
  65. TREK 4300 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  66. SCHWINN Sierra GS Woman's Hybrid / Comfort Bike Excellent Cond. Tuned
    $220
    Louisville
  67. Raleigh USA M-55 Hardtail Mountain Bike Excellent Condition Just Tuned
    $220
    Louisville
  68. HARO V-Series V1 Hardtail Mountain Bike Excellent Condition Just Tuned
    $280
    Louisville
  69. Univega Via Carisma Hybrid / Comfort Bike Excellent Condition Tuned
    $260
    Louisville
  70. Quintana Roo TT Triathlon Race Bike - 55 cm
    $500
    SW Longmont
  71. JEEP Hardtail Mountain Bike Excellent Condition Ready to Ride
    $200
    Louisville
  72. TREK 720 MultiTrack Hybrid / Comfort Bike Excellent Condition Tuned
    $280
    Louisville
  73. TREK Navigator 2.0 Hybrid/Comfort Bike Excellent Condition Just Tuned
    $300
    Louisville
  74. Schwinn Cruiser
    $170
    Nederland
  75. Orange Priority 24" Bike (Ages 7 - 13)
    $175
    Louisville
  76. GT Bullet Kids Mountain Bike Excellent Condition Fully Serviced
    $180
    Louisville
  77. Women's Road Bike
    $25
    Erie
  78. Trek 5500 OCLV Road Bike
    $400
    Erie
  79. 80s ROAD BIKE Peugeot 55cm for 5’7-5’11 Tall ~ TUNED UP NEW TIRES!
    $100
    Metro Denver
  80. Giant Escape Gravel Hybrid City Bike L 3x7 700x35c
    $300
  81. GIANT Cypress Hybrid / Comfort Bike Excellent Condition Fully Serviced
    $340
    Louisville
  82. Burley Zydeco Tandem
    $400
    Louisville
  83. 2006 Bianchi Eros 61cm
    $475
    Longmont
  84. 2016 Charge Cooker MTN Bike 29er
    $325
    South Boulder
  85. 2022 Giant E MTN BIKE Trance X Advanced E+2 Carbon
    $3,150
    South Boulder
  86. GT Speed Series Team Bike
    $1,500
    Lafayette
  87. 2020 Evil the Wreckoning - full carbon L frame
    $1,700
    Boulder, CO
  88. Carbon Road/Gravel, 2 sets of wheels
    $1,100
    Longmont
  89. SCHWINN PERIA CRUISER
    $120
    Longmont
  90. Schwinn folding bike
    $200
    Nederland
  91. Schwinn “Sid” automatic 3 speed cruiser
    $200
    Louisville
  92. AVENTON Abound E-CargoBike
    $690
    North Boulder
  93. Trek 7100 Bicycle with Basket
    $200
  94. K2 ZED 1.0 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  95. Riese & Muller Supercharger 2 Vario HS (Class 3)
    $2,200
    Niwot/Longmont
  96. Fuji Crosstown Bike
    $200
    Boulder
  97. Moots Smoothie Blend MTB - Size Medium (17")
    $2,000
    Louisville
  98. Cool , 70’s. 3 speed cruiser
    $65
    Longmont
  99. Hybrid commuter bike - ready to ride - medium - OBO
    $150
  100. 2023 Liv Alight Aluminum Hybrid Bike-Size Medium
    $175
    Louisville
  101. Giant TCR1 Ultegra
    $200
    Boulder
  102. Fuji SST 2.0 LE Carbon Road Bike - Shimano Ultegra - Size Medium
    $400
    Boulder
  103. E-Bike iZip e3 Loma Step Thru
    $750
    Longmont
  104. Trek Lemond Tourlamet
    $300
    Boulder
  105. 2022 Trek Slash 9.8 XT size M/L Full Suspension
    $2,500
    Lyons
  106. Santa Cruz Stigmata
    $2,200
  107. L 2025 Yeti SB140-Turq L Ride- XTR -Gold Fox 36 160-EXC DT Wheels
    $4,999
  108. Bianchi Volpe Steel Touring Bike Size M-L
    $550
    S Boulder
  109. 2015 Salsa Colossal Titanium- 58cm
    $2,750
    Boulder
  110. Trek 3900 Mountain Bike – Excellent Condition – Adventure Ready
    $200
  111. GT full suspension mountain bike, XS
    $500
    Boulder (Gunbarrel)
  112. 2022 Vitus Substance 650B
    $1,400
    Lafayette
  113. SPECIALIZED PITCH MOUNTAIN BIKE SIZE SMALL, 15.5", 24 SPEED, ALUM, FRO
    $450
    boulder
  114. Specialized Kids Bicycle - Jett 20" 6 gears
    $200
    Superior
  115. Trek T200 Tandem: ~1996
    $750
    S. Boulder
  116. 56cm large r500 alloy cannondale road bike retro gatorskin tires
    $250
    Lafayette
  117. Salsa Beargrease 2 Fatbike Small
    $1,600
    Louisville
  118. COOP DRT 1.2 27.5” Small mountain bike
    $500
    Longmont
  119. Specialized EPIC 8 - Size Large - FLIGHT ATTENDANT
    $6,250
    Sugarloaf
  120. Cannondale Supersix EVO Dura Ace
    $1,500
    Frisco
  121. GoCycle G4i - Qty 2 - each
    $1,200
    Boulder
  122. PIM EBike refurbished
    $400
    North Boulder
  123. Isla Beinn 20" bike
    $250
    SW Boulder
  124. Classic Electra Custom
    $200
    Boulder
  125. Trek Multitrack 7200
    $150
    Boulder
  126. Specialized Ruby
    $600
  127. Redline Monocog Bicycle
    $500
    Boulder
  128. 2023 Specialized Rockhopper Comp 29", Small frame
    $600
    Louisville
  129. Tandem bike
    $275
    Erie/Longmont I-25
  130. State Bicycle 4130 Fixed Gear/Single Speed — 59cm + Brooks Saddle
    $300
    Boulder
  131. Schwinn Axum 29" Hardtail Mountain Bike - Excellent Condition
    $250
    Boulder
  132. Cervelo Aspero RX810 Gravel Bike (2021 model)
    $2,150
    Boulder
  133. 2021 carbon Kona Libre 50cm
    $1,995
  134. Trek bike
    $150
    Superior
  135. Evelo Compass Electric Trike, Class 2, Low Miles!
    $1,500
    Longmont
  136. Phat Aloha Mahalo Cruiser
    $150
    boulder
  137. Globe Live 1 Single-Speed City Bicycle
    $350
    Louisville
  138. 2019 Felt IA10 Carbon Triathlon Bike // TT Time Trial Shimano Di2
    $2,200
  139. 2022 Yeti SB130 LR - TURQ
    $6,000
    Longmont
  140. Specialized - Youth/Women's XS bikes
    $200
    Louisville
  141. Vintage Miele Road Bike
    $200
    Boulder
  142. Univega Modo Vivere. 50cm. Campy and Columbus.
    $249
    Greeley
  143. Raleigh Rush Hour fixie. 22"
    $129
    Greeley
  144. Felt F1 Road Bike
    $750
    Boulder
  145. 2003 SPECIALIZED Stumpjumper FSR Disc Mountain Bike
    $800
    Broomfield
  146. Scott Spark 710, 2017
    $1,800
  147. Must go tonight or tomorrow
    $400
  148. Santa Cruz Highball XX AXS RSV
    $6,500
    Boulder
  149. 2025 Santa Cruz Stigmata htSQD Limited Edition
    $5,700
    Boulder
  150. BLUR XX AXS FA RSV - size small
    $7,000
    Boulder
  151. gravel bike
    $2,800
    Boulder