loading
reading
writing
saving
searching

refresh the page.

craigslist

Bicycles For Sale in Boulder, CO

  1. see also

    electric bikes

    kids bikes

    mountain bikes

    road bikes

  2. 2008 Iron Horse Mountain Bike - Medium (17.5”) Frame, 26” Wheels
    $150
  3. 2023 Trek Supercaliber M/L
    $3,200
    Boulder
  4. HARO V-Series V1 Hardtail Mountain Bike Excellent Condition Just Tuned
    $280
    Louisville
  5. Ancheer 26" Electric Mountain Bike MAX
    $90
    Boulder
  6. Trek 4500 Women's Hardtail Mountain Bike - Professionally Tuned Up
    $250
    Boulder
  7. Kids' Extra Small Trek Mountain Bikes -26" Wheels - Pro Tuned Up
    $250
    Boulder
  8. Extra Small Specialized Comp Kids Mountain Bike - 26" Wheels
    $250
    Boulder
  9. Trek 820 Hardtail Bike, 3x7, 26x2.0, 18in frame
    $190
  10. K2 Cheyenne Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  11. Nishiki Bravo Mtn Bicycle
    $125
    South Boulder
  12. Cannondale F600 Comp Mountain Bicycle
    $250
    South Boulder
  13. Gary Fisher Cake 3 DLX Bicycle Full Suspension Hydraulic Disc Brakes
    $480
    South Boulder
  14. Specialized HardRock FS Mountain Bike - Silver
    $200
    South Boulder
  15. Trek 6500 Aluminum Frame Mountain Bicycle - Blue
    $300
    South Boulder
  16. Trek 6500 Aluminum Frame Mountain Bike - Orange
    $300
    South Boulder
  17. GT Aggressor 2.0 Aluminum Frame Mountain Bike
    $200
    South Boulder
  18. Fuji Nevada Mountain Bike
    $200
    South Boulder
  19. Fuji Eddy Mountain Bicycle
    $200
    South Boulder
  20. GT Outpost All Terra Vintage Mountain Bike
    $200
    South Boulder
  21. Giant Rincon Mountain Bicycle
    $200
    South Boulder
  22. GT Outpost Mountain Bicycle - Front Suspension
    $175
    South Boulder
  23. Kona Hoss Aluminum Frame Mountain Bike
    $250
    South Boulder
  24. Specialized Hardrock Punk Mountain Bike
    $225
    South Boulder
  25. Kona Cinder Cone Suspension Mountain Bicycle
    $250
    South Boulder
  26. GT Saddleback Mountain Bike - Front Suspension
    $125
    South Boulder
  27. Classic Schwinn s [ 9 five] .3 Aluminum Mountain Bike
    $175
    South Boulder
  28. Schwinn Mesa GS Aluminum Frame Suspension Mountain Bike bicycles
    $225
    South Boulder
  29. Classic Diamondback Ascent Mountain Bicycle 🚵‍♂️
    $140
    South Boulder
  30. Specialized Hardrock Sport Mountain Bike
    $280
    South Boulder
  31. Castellano Fango Softail Aluminum Frame Mountain Bicycle
    $380
    South Boulder
  32. Schwinn Mesa GSX Aluminum Mountain Bike Front Suspension
    $250
    South Boulder
  33. Cannondale F300 Front Suspension Mountain Bike
    $275
    South Boulder
  34. Trek 7.3 FX Bicycle
    $250
    South Boulder
  35. Specialized RockHopper Bicycle 🚲
    $200
    South Boulder
  36. Gary Fisher Napa Mointain Bike
    $250
    South Boulder
  37. Gary Fisher Mamba Front Suspension Mountain Bike
    $200
    South Boulder
  38. Giant ATX780 Front Suspension Mountain Bike
    $200
    South Boulder
  39. Specialized RockHopper Mountain Bicycle 🚵‍♂️
    $200
    South Boulder
  40. Gary Fisher Mamba Front Suspension Mountain Bike
    $200
    South Boulder
  41. Gary Fisher Kaitai Mountain Bike
    $250
    South Boulder
  42. Specialized XC FSR Aluminum Full Suspension Mountain Bike
    $450
    South Boulder
  43. Specialized Pitch 27.5 Mountain Bike
    $380
    South Boulder
  44. Iron Horse CT55 Mountain Bicycle
    $150
    South Boulder
  45. Gary Fisher Joshua X1 Full Suspension Mountain Bike
    $320
    South Boulder
  46. Giant Boulder Mountain Bike
    $180
    South Boulder
  47. K2 Lithium 4.0 27 Speed Dual Suspension Mountain Bike
    $200
  48. TREK 3500 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  49. Mongoose Sahara 21 Speed Front Suspension Mountain Bike
    $100
  50. Diamondback Lustre 1 21 Speed Front Suspension Mountain Bike
    $80
  51. Surly Wednesday w/lots of upgrades
    $1,500
    Boulder
  52. Giant Sedona SE Hardtail Mountain Bike 17.5in Small 26x1.95 3x7
    $195
  53. Rocky Mountain Altitude 10 Full Suspension Mountain Bike
    $400
    Boulder
  54. Roadmaster 18 Speed Mountain Bike
    $60
  55. Trek 3500
    $150
    erie
  56. Gary Fisher Mamba Hardtail Mountain Bike Excellent Condition Tuned
    $240
    Louisville
  57. Trek Women's Neko 1 Mountain Bike
    $250
    Boulder
  58. Raleigh Technium ATB-All Terrain Bike Excellent Cond. Fully Serviced
    $320
    Louisville
  59. Bridgestone MB-5 Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  60. Trek Singletrack 920 bike
    $100
    Boulder
  61. Trek 820 Hardtail Bike 13in XS 3x7 26x2.0 Blk Suntour Fork
    $180
  62. Mountain Bike
    $1,500
    Erie
  63. Diamondback Overdrive Comp
    $300
    Superior
  64. Fatbike - REI DRT 4.1
    $500
  65. TREK 4300 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  66. Moots Smoothie Blend MTB - Size Medium (17")
    $2,500
    Louisville
  67. OBO - Spot Rocker Custom One of a Kind Steel Bike
    $500
    Boulder
  68. Raleigh USA M-55 Hardtail Mountain Bike Excellent Condition Just Tuned
    $220
    Louisville
  69. GT Outpost Trail Mountain Bike Excellent Condition Fully Serviced
    $240
    Louisville
  70. RoadMaster Mt. Fury Mountain Bike Great Condition Just Tuned
    $70
    Louisville
  71. Specialized Turbo Levo SL 2 Comp Carbon Large-Brand New!!!
    $5,300
    Louisville
  72. Ibis Ripley AF - Large
    $2,200
    Erie
  73. Mongoose Montana 21 Speed Front Suspension Mountain Bike
    $100
  74. JEEP Hardtail Mountain Bike Excellent Condition Ready to Ride
    $200
    Louisville
  75. Raleigh Talus Mountain Bike Like New Condition Ready to Ride
    $240
    Louisville
  76. Specialized Hotrock Hardtail Mountain Bike- Professionally Tuned Up
    $250
    Boulder
  77. Trek 4500 Women's Hardtail Mountain Bike - Professionally Tuned Up
    $250
    Boulder
  78. 2019 Scott Spark 920 Custom Paint 26.25 lbs eagle 12 sp
    $2,000
    Lyons
  79. Giant Revel W1 Disc Woman’s Hardtail Mountain Bike Excellent Tuned
    $380
    Louisville
  80. K2 ZED 1.0 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  81. Fezzari (Ari)Delano Peak Pro (Large) High end spec
    $3,762
    Boulder
  82. GIANT Boulder SE Hardtail Mountain Bike Excellent Condition Just Tuned
    $260
    Louisville
  83. Giant Sedona ST Hybrid / Commuter Bike Great Condition Fully Serviced
    $200
    Louisville
  84. Gary Fisher Joshua X1
    $250
    Superior
  85. Orbea WILD FS H20 E-Bike Dual Suspension Mountain Bike 2022 LG Silver
    $2,950
    Berthoud
  86. 2021 Yeti SB 130 T2, XL frame, great condition!
    $3,000
    Boulder
  87. Trek Rail 9.9 Medium Carbon eMTB
    $4,490
    Boulder
  88. Medium 2023 Trek Slash 9.8 AXS carbon 29er ($4k on bluebook)
    $3,200
    Boulder
  89. Extra Large Spot Mayhem 130 carbon 29er
    $2,200
    Boulder
  90. Large Specialized S-Works Stumpjumper 29 XX1 (excellent shape)
    $1,999
    Boulder
  91. Schwinn Mountain Bike
    $75
    Marshall Rd
  92. Trek Powerfly 4 Ebike - 2023
    $2,000
    Broomfield
  93. Trek 1120 Medium 29+ Bikepacking Bike
    $1,995
    Boulder
  94. 2025 Specialized Stumpjumper 15 Expert Size S4 (Large)
    $3,950
    Boulder
  95. Juliana Wilder CC X0 AXS Women's Carbon Mountain Bike Medium
    $4,450
    Boulder
  96. Trek 9.8 Carbon Hardtail Cross Country Mountain Bike
    $800
    Boulder
  97. Yeti SB120 Medium - Sram XX SL, Enve, Fox Factory
    $5,295
    Boulder
  98. Near new Roscoe 8
    $1,500
    Longmont
  99. Size large 2023 Specialized Sworks Epic 21.4 pounds as shown.
    $6,500
    Boulder
  100. 2021 Medium Giant Stance 29 2
    $1,100
    Boulder
  101. Salsa Mukluk Carbon Fat Bike (M) - XO Eagle Upgrades - Barely Ridden
    $1,600
    Arvada
  102. Jones Titanium Plus LWB Spaceframe (Large)
    $7,900
  103. 2024 woom OFF AIR 6 - terra coppa
    $1,100
    Boulder, Newlands
  104. Specialized Enduro Expert S3 Medium SRAM XO Fox Cushcore
    $3,300
  105. 2016 Trek Fuel 8 full suspension mountain bike
    $990
    Superior
  106. 2017 Pivot Mach 5.5 Carbon Mountain Bike — Size Large
    $2,600
    South Boulder
  107. Specialized era comp 26 light
    $225
    Nederland
  108. Diamond Back Apex mountain bike
    $120
    Erie
  109. Specialized Fuse Expert 29
    $1,900
  110. Schwinn Moab 2 Extra Small tuned ready to ride
    $125
    Boulder
  111. Like-New Specialized Rockhopper Expert 29 – Under 100 Miles!
    $800
    Broomfield
  112. GT 2.0 Avalanche 24 sp medium 26 mtn bike new
    $425
    Arvada
  113. Nishiki Pueblo 24" Mountain Bike
    $75
    Louisville
  114. Litespeed Toccoa titanium mountain bike
    $895
    Boulder
  115. used HeyBike Mars
    $900
    Boulder
  116. 📍FOR SALE: 2023 Yeti ARC C2 – Medium – RAW Carbon – Like New
    $2,900
    Boulder
  117. Gary Fisher Wahoo Mountain Bike
    $120
    Boulder
  118. Diamondback Sorrentose Mountain Bike
    $100
    Boulder
  119. Specialized Stumpjumper Full-Suspension Mountain Bike
    $1,100
    Boulder
  120. Specialized Hardrock Mountain Bike
    $120
    Longmont
  121. 2023 Liv Intrigue LT1 Women's MTB XS
    $1,990
    South Boulder
  122. Trek 2011 Superfly 100 29 Elite SL for sale
    $750
    North Boulder
  123. Transition Patrol Alloy – Large – New Wheels – Ready to Ride
    $1,250
  124. Trek Farley 8 Fat Tire Bike
    $995
    Broomfield
  125. Ibis Mojo HD3 X01 M Enduro Mountain Bike - New price - XLNT CONDITION
    $4,995
    Longmont
  126. Yeti SB160 C3 with Factory Upgrade
    $4,700
  127. Titanium Voodoo Haka 29er
    $750
    Nederland
  128. Kids' Extra Small Trek Mountain Bikes - 26" Wheels - Pro Tuned Up
    $250
    Boulder
  129. 2012 Surly Pugsley Black Ops/Necromancer 20" (L), 2 wheelsets, extras
    $1,700
  130. Trek 3700. Aluminum. 13". Limited free delivery.
    $139
    Greeley
  131. Niner Air9 Hardtail Medium 29er
    $500
    Superior
  132. 2012 Trek X-Caliber 29-in hardtail XC mountain bike | Size 19" 48cm L
    $200
    Lafayette