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craigslist

Bicycles For Sale in Boulder, CO

  1. see also

    electric bikes

    kids bikes

    mountain bikes

    road bikes

  2. JEEP Hardtail Mountain Bike Excellent Condition Ready to Ride
    $200
    Louisville
  3. Bridgestone MB-5 Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  4. RoadMaster Mt. Fury Mountain Bike Great Condition Just Tuned
    $70
    Louisville
  5. Trek 3500
    $150
    erie
  6. Raleigh Talus Mountain Bike Like New Condition Ready to Ride
    $240
    Louisville
  7. Ibis Ripley v4 XL
    $2,600
  8. Salsa Mukluk Carbon Fat Bike (M) - XO Eagle Upgrades - Barely Ridden
    $1,500
    Arvada
  9. Gary Fisher Joshua X1
    $230
    Superior
  10. Kent Glendale 7 speed
    $145
    Longmont
  11. Pivot Mach 4 SL Team World Cup Mountain Bike XL
    $5,795
    Boulder
  12. TREK 3500 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  13. GIANT Boulder SE Hardtail Mountain Bike Excellent Condition Just Tuned
    $260
    Louisville
  14. Diamondback Lustre 1 21 Speed Front Suspension Mountain Bike
    $80
  15. Mongoose Montana 21 Speed Front Suspension Mountain Bike
    $100
  16. Raleigh USA M-55 Hardtail Mountain Bike Excellent Condition Just Tuned
    $220
    Louisville
  17. Pacific Quasar 21 Speed Mountain Bike
    $125
  18. 2023 Norco Sight VLT C1 - Large
    $4,500
    Lafayette
  19. Specialized Hotrock Hardtail Mountain Bike- Professionally Tuned Up
    $250
    Boulder
  20. Extra Small Specialized Comp Kids Mountain Bike - 26" Wheels
    $250
    Boulder
  21. Specialized Epic FSR - Size XL
    $250
    Arvada
  22. Giant Revel W1 Disc Woman’s Hardtail Mountain Bike Excellent Tuned
    $380
    Louisville
  23. Mongoose Sahara 21 Speed Front Suspension Mountain Bike
    $100
  24. Specialized Hard Rock Mountain bike
    $140
    Boulder
  25. Surly Moonlander 29+ XL
    $1,400
    Lafayette
  26. Cannondale Competition Series 3.0 SM900 Aluminum Frame Mountain Bike
    $450
    South Boulder
  27. Gary Fisher Mamba Hardtail Mountain Bike Excellent Condition Tuned
    $240
    Louisville
  28. TREK 4300 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  29. HARO V-Series V1 Hardtail Mountain Bike Excellent Condition Just Tuned
    $280
    Louisville
  30. GT Outpost Trail Mountain Bike Excellent Condition Fully Serviced
    $240
    Louisville
  31. Trek 820 Hardtail Bike 13in XS 3x7 26x2.0 Blk Suntour Fork
    $180
  32. Gary Fisher Joshua X1 Full Suspension Mountain Bike
    $300
    South Boulder
  33. Gary Fisher Tassajara Aluminum Frame Mountain Bike
    $150
    South Boulder
  34. Trek 4300 Aluminum Frame Mountain Bicycle
    $150
    South Boulder
  35. Cannondale Scalpel 29" Carbon 2 Lefty Mountain Bike
    $1,000
    South Boulder
  36. Giant Boulder Mountain Bike
    $180
    South Boulder
  37. Specialized Rockhopper Aluminum Frame Mountain Bike
    $180
    South Boulder
  38. Trek Fuel 90 Full Suspension Mountain Bike 🚲
    $350
    South Boulder
  39. Kona NuNu Mountain Bike
    $200
    South Boulder
  40. Nishiki Bravo Mtn Bicycle
    $125
    South Boulder
  41. Cannondale F600 Comp Mountain Bicycle
    $250
    South Boulder
  42. Gary Fisher Cake 3 DLX Bicycle Full Suspension Hydraulic Disc Brakes
    $450
    South Boulder
  43. Trek 6500 Aluminum Frame Mountain Bike - Orange
    $200
    South Boulder
  44. Specialized HardRock FS Mountain Bike - Silver
    $200
    South Boulder
  45. Trek 6500 Aluminum Frame Mountain Bicycle - Blue
    $200
    South Boulder
  46. GT Aggressor 2.0 Aluminum Frame Mountain Bike
    $200
    South Boulder
  47. Fuji Nevada Mountain Bike
    $150
    South Boulder
  48. Fuji Eddy Mountain Bicycle
    $150
    South Boulder
  49. GT Outpost All Terra Vintage Mountain Bike
    $200
    South Boulder
  50. GT Outpost Mountain Bicycle - Front Suspension
    $175
    South Boulder
  51. Kona Hoss Aluminum Frame Mountain Bike
    $250
    South Boulder
  52. Giant Rincon Mountain Bicycle
    $200
    South Boulder
  53. Kona Cinder Cone Suspension Mountain Bicycle
    $250
    South Boulder
  54. Specialized Hardrock Punk Mountain Bike
    $200
    South Boulder
  55. GT Saddleback Mountain Bike - Front Suspension
    $125
    South Boulder
  56. Classic Schwinn s [ 9 five] .3 Aluminum Mountain Bike
    $175
    South Boulder
  57. Schwinn Mesa GS Aluminum Frame Suspension Mountain Bike bicycles
    $225
    South Boulder
  58. Classic Diamondback Ascent Mountain Bicycle 🚵‍♂️
    $140
    South Boulder
  59. Specialized Hardrock Sport Mountain Bike
    $250
    South Boulder
  60. Castellano Fango Softail Aluminum Frame Mountain Bicycle
    $380
    South Boulder
  61. Schwinn Mesa GSX Aluminum Mountain Bike Front Suspension
    $250
    South Boulder
  62. Cannondale F300 Front Suspension Mountain Bike
    $275
    South Boulder
  63. Trek 7.3 FX Bicycle
    $250
    South Boulder
  64. Specialized RockHopper Bicycle 🚲
    $200
    South Boulder
  65. Gary Fisher Napa Mointain Bike
    $250
    South Boulder
  66. Gary Fisher Mamba Front Suspension Mountain Bike
    $200
    South Boulder
  67. Giant ATX780 Front Suspension Mountain Bike
    $200
    South Boulder
  68. Specialized RockHopper Mountain Bicycle 🚵‍♂️
    $200
    South Boulder
  69. Gary Fisher Mamba Front Suspension Mountain Bike
    $200
    South Boulder
  70. Gary Fisher Kaitai Mountain Bike
    $250
    South Boulder
  71. Specialized XC FSR Aluminum Full Suspension Mountain Bike
    $300
    South Boulder
  72. Specialized Pitch 27.5 Mountain Bike
    $350
    South Boulder
  73. Rocky Mountain Altitude 10 Full Suspension Mountain Bike
    $400
    Boulder
  74. Trek Women's Neko 1 Mountain Bike
    $150
    Boulder
  75. Raleigh Technium ATB-All Terrain Bike Excellent Cond. Fully Serviced
    $320
    Louisville
  76. Ancheer 26" Electric Mountain Bike MAX
    $90
    Boulder
  77. Two Transeo GT 3.0 Mountain Bikes with custom parts ($65ea)
    $65
    Arvada
  78. Trek 4500 Women's Hardtail Mountain Bike - Professionally Tuned Up
    $250
    Boulder
  79. Surly Wednesday w/lots of upgrades
    $1,500
    Boulder
  80. Trek Dual Sport 2 Excellent
    $445
    Boulder
  81. Surly Moonlander fat tire steel bike - 18 inch
    $790
    Nederland
  82. K2 ZED 1.0 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  83. Niner Jet RDO 29in mtn-bike
    $1,800
  84. Ibis Ripley AF (XL) - 2021 - Very lightly used
    $2,100
    Erie
  85. Pivot Trail 429 XL frame
    $2,499
    Louisville
  86. Canyon Neuron CF 8
    $2,000
    Erie
  87. 2021 Yeti SB 130 T2, XL frame, great condition!
    $3,200
    Boulder
  88. 2001 Schwinn Homegrown Comp 17"
    $675
    Table Mesa
  89. K2 Cheyenne Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  90. Fatbike - REI DRT 4.1
    $450
  91. Trek 4900 Mountain Bikd
    $99
    Lafayette
  92. Vintage Santa Cruz Dual Suspension MTB, XL frame
    $200
    Louisville
  93. Turner DHR Downhill Mountain Bike Like New Complete
    $1,300
    Boulder
  94. Santa Cruz Hightower CC LT + Reserve Wheels
    $2,500
    Boulder
  95. near new Kona Lava Dome mountain bike (medium)
    $599
    superior
  96. Mountain Bike
    $1,500
    Erie
  97. Specialized FSR Ground Control Mountain Bike
    $200
    Erie
  98. 2022 Trek Slash 9.8 XT size M/L Full Suspension
    $2,750
    Lyons
  99. Schwinn 24" 21 speed Mountain Bike
    $50
    Longmont
  100. Kids Trek Roscoe 24" Mountain Bike w/ Upgraded Brakes and Derailleur
    $280
    N. Boulder
  101. 2018 Santa Cruz Strega small
    $2,300
    Boulder
  102. Medium 2023 Trek Slash 9.8 AXS carbon 29er ($4k on bluebook)
    $2,999
    Boulder
  103. Large Specialized S-Works Stumpjumper 29 XX1 (excellent shape)
    $1,900
    Boulder
  104. Extra Large Spot Mayhem 130 carbon 29er
    $1,850
    Boulder
  105. Light weight 20" KUbike MTB
    $245
    Boulder
  106. Trek 3700 - 17" Frame (5' 5" - 5' 10")
    $100
    Louisville
  107. Specialized Turbo Levo SL 2 Comp Carbon Large-Brand New!!!
    $5,300
    Louisville
  108. Yeti SB115
    $2,900
    Boulder
  109. 24” Gary Fisher Mountain Bike Good Condition
    $120
    Boulder
  110. 24” Specialized Mountain Bike Good Condition
    $140
    Boulder
  111. 2017 Pivot Mach 5.5 Carbon Mountain Bike — Size Large
    $1,950
    South Boulder
  112. Nishiki Pueblo 24" Mountain Bike
    $75
    Louisville
  113. Size large 2023 Specialized Sworks Epic 21.4 pounds as shown.
    $6,500
    Boulder
  114. Co-op Cycles (REI) - DRT 2.1 Mountain Bike - 27.5
    $850
    gunbarrel estates
  115. Banshee Prime v3.2 XL frame + Cane Creek Tigon Coil
    $1,300
  116. XL Banshee Anomaly Frame
    $400
  117. COOP DRT 1.2 27.5” Small mountain bike
    $650
    Longmont
  118. 2021 Juliana Furtado Carbon CC X01
    $3,000
    Boulder, CO
  119. 2025 Revel Rascal V2 GX Eagle – Size Medium (Pinot Gnar)
    $4,200
    Longmont
  120. Vintage hardtail mountain bike (Maybe Specialized Crossroads)
    $100
  121. Liv Tempt 1
    $700
    Boulder
  122. Specialized Enduro Expert S3 Medium SRAM XO Fox Cushcore
    $3,000
  123. 2020 Evil the Wreckoning - full carbon L frame
    $1,900
    Boulder, CO
  124. Vintage Cannondale F500
    $325
    Boulder
  125. Trek Fuel EVO7
    $500
    Boulder
  126. Trek Farley 8 Fat Tire Bike
    $895
    Broomfield
  127. Niner Air9 Hardtail Medium 29er
    $500
    Superior
  128. Scott Spark ST910 for sale
    $3,500
    longmont
  129. Bianchi Denali Mountain Bike
    $100
    Longmont
  130. 2020 Soma Juice 29er Rigid MTB
    $1,200
  131. Kids' Extra Small Trek Mountain Bikes -26" Wheels - Pro Tuned Up
    $250
    Boulder
  132. Moots Smoothie Blend MTB - Size Medium (17")
    $2,500
    Louisville
  133. Specialized Fuse Expert 29
    $1,500
  134. Niner Air9
    $1,000
    South Boulder
  135. Cannondale cy Moterra Neo
    $2,900
    Boulder
  136. Specialized rock hopper
    $300
  137. Schwinn Moab 2 Extra Small tuned ready to ride
    $125
    Boulder
  138. Yeti SB115 T2 Turq - Large
    $3,950
    Boulder
  139. /26" Trek Mountain Bike/New
    $79
    Longmont
  140. Trek Fuel 98 SLR (classic full-suspension XC mountain bike: med.)
    $250
    Boulder, CO
  141. Jones Titanium Plus LWB Spaceframe (Large)
    $7,900
  142. 2012 Surly Pugsley Black Ops/Necromancer 20" (L), 2 wheelsets, extras
    $1,700
  143. Mongoose MGX GRX 6.5
    $75
    Boulder
  144. Marin San Quentin
    $990
    Longmont
  145. Canondale bike
    $45
    Boulder
  146. Yeti SB115 Size Large
    $3,100
    Boulder