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craigslist

boulder mountain bikes

  1. see also

    electric bikes

    kids bikes

    mountain bikes

    road bikes

  2. Rockrider ST 100 trail / mountain bike
    $140
    Boulder
  3. Trek 820 Hardtail Bike 13in XS 3x7 26x2.0 Blk Suntour Fork
    $190
  4. Orbea WILD FS H20 E-Bike Dual Suspension Mountain Bike 2022 LG Silver
    $3,950
    Berthoud
  5. JEEP Hardtail Mountain Bike Excellent Condition Ready to Ride
    $200
    Louisville
  6. RoadMaster Mt. Fury Mountain Bike Great Condition Just Tuned
    $70
    Louisville
  7. Bridgestone MB-5 Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  8. Trek Women's Neko 1 Mountain Bike
    $250
    Boulder
  9. Specialized RockHopper Mountain Bicycle 🚵‍♂️
    $200
    South Boulder
  10. Mountain Bike needs new home
    $175
  11. TREK 3500 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  12. HARO V-Series V1 Hardtail Mountain Bike Excellent Condition Just Tuned
    $280
    Louisville
  13. Mongoose Sycamore bike for medium/tall person
    $100
    Boulder
  14. DIAMONDBACK OVERRIDE BICYCLE w GRIP SHIFTS
    $100
    North Boulder Area
  15. Trek mountain bike
    $575
    Lafayette
  16. Trek Mountain Track City Commuter Bike
    $200
    Boulder
  17. Kids' Extra Small Trek Mountain Bikes - 26" Wheels - Pro Tuned Up
    $250
    Boulder
  18. Small / Medium Specialized Mountain Bikes x 4 - Tuned Up
    $250
    Boulder
  19. Gary Fisher Mamba Front Suspension Mountain Bike
    $200
    South Boulder
  20. Raleigh Technium ATB-All Terrain Bike Excellent Cond. Fully Serviced
    $320
    Louisville
  21. Specialized Turbo Levo SL 2 Comp Carbon Large-Brand New!!!
    $5,300
    Louisville
  22. Specialized Hot Rock 24"
    $200
    Erie
  23. GT Outpost Trail Mountain Bike Excellent Condition Fully Serviced
    $240
    Louisville
  24. SPECIALIZED MOUNTAIN BIKE
    $125
    BOULDER
  25. SPECIALIZED MOUNTAIN BIKE
    $125
    BOULDER
  26. Trek 820 Hardtail Bike 18in 3x7
    $190
  27. Gary Fisher Kaitai Mountain Bike
    $250
    South Boulder
  28. Specialized XC FSR Aluminum Full Suspension Mountain Bike
    $450
    South Boulder
  29. Specialized Pitch 27.5 Mountain Bike
    $380
    South Boulder
  30. Iron Horse CT55 Mountain Bicycle
    $150
    South Boulder
  31. Gary Fisher Joshua X1 Full Suspension Mountain Bike
    $320
    South Boulder
  32. Giant Boulder Mountain Bike
    $180
    South Boulder
  33. Nishiki Bravo Mtn Bicycle
    $125
    South Boulder
  34. Schwinn Mesa GS Aluminum Frame Suspension Mountain Bike bicycles
    $225
    South Boulder
  35. Classic Schwinn s [ 9 five] .3 Aluminum Mountain Bike
    $175
    South Boulder
  36. GT Saddleback Mountain Bike - Front Suspension
    $125
    South Boulder
  37. Specialized Hardrock Punk Mountain Bike
    $225
    South Boulder
  38. Kona Cinder Cone Suspension Mountain Bicycle
    $250
    South Boulder
  39. Kona Hoss Aluminum Frame Mountain Bike
    $250
    South Boulder
  40. Giant Rincon Mountain Bicycle
    $200
    South Boulder
  41. GT Outpost Mountain Bicycle - Front Suspension
    $175
    South Boulder
  42. GT Outpost All Terra Vintage Mountain Bike
    $200
    South Boulder
  43. Fuji Nevada Mountain Bike
    $200
    South Boulder
  44. Fuji Eddy Mountain Bicycle
    $200
    South Boulder
  45. GT Aggressor 2.0 Aluminum Frame Mountain Bike
    $200
    South Boulder
  46. Trek 6500 Aluminum Frame Mountain Bicycle - Blue
    $300
    South Boulder
  47. Trek 6500 Aluminum Frame Mountain Bike - Orange
    $300
    South Boulder
  48. Specialized HardRock FS Mountain Bike - Silver
    $225
    South Boulder
  49. Gary Fisher Cake 3 DLX Bicycle Full Suspension Hydraulic Disc Brakes
    $480
    South Boulder
  50. Cannondale F600 Comp Mountain Bicycle
    $250
    South Boulder
  51. Specialized Hardrock Sport Mountain Bike
    $280
    South Boulder
  52. Cannondale F300 Front Suspension Mountain Bike
    $275
    South Boulder
  53. Schwinn Mesa GSX Aluminum Mountain Bike Front Suspension
    $250
    South Boulder
  54. Castellano Fango Softail Aluminum Frame Mountain Bicycle
    $380
    South Boulder
  55. Giant ATX780 Front Suspension Mountain Bike
    $200
    South Boulder
  56. Raleigh M40 21 Speed Front Suspension Mountain Bike
    $125
  57. K2 Cheyenne Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  58. Mongoose Montana 21 Speed Front Suspension Mountain Bike
    $125
  59. Marin San Quentin
    $990
    Longmont
  60. Giant Revel W1 Disc Woman’s Hardtail Mountain Bike Excellent Tuned
    $380
    Louisville
  61. Large Specialized S-Works Stumpjumper 29 XX1 (excellent shape)
    $1,999
    Boulder
  62. Extra Large Spot Mayhem 130 5 star AXS build carbon 29er
    $2,300
    Boulder
  63. Giant Sedona SE Hardtail Mountain Bike 17.5in Small 26x1.95 3x7
    $195
  64. 2023 Trek Supercaliber M/L
    $3,200
    Boulder
  65. Specialized Hardrock Sport - Medium
    $80
    Arvada
  66. K2 ZED 1.0 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  67. Schwinn Mountain Bike
    $75
    Marshall Rd
  68. Trek Superfly 29er - Size XL
    $525
    Arvada
  69. 2021 Yeti SB 130 T2, XL frame, great condition!
    $3,750
    Boulder
  70. Yeti SB140 turq mountain bike, Sangria colorway, XL
    $5,000
    Boulder
  71. TREK 4300 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  72. Raleigh USA M-55 Hardtail Mountain Bike Excellent Condition Just Tuned
    $220
    Louisville
  73. Intense Eddie Hard Tail 29er
    $900
    Boulder
  74. Raleigh Talus Mountain Bike Like New Condition Ready to Ride
    $240
    Louisville
  75. Diamondback Lustre 1 21 Speed Front Suspension Mountain Bike
    $100
  76. Roadmaster 18 Speed Mountain Bike
    $60
  77. Mongoose Sahara 21 Speed Front Suspension Mountain Bike
    $100
  78. Medium 2023 Trek Slash 9.8 AXS carbon 29er ($4k on bluebook)
    $3,250
    Boulder
  79. TREK 800 ATB-All Terrain Bike Excellent Condition Fully Serviced
    $200
    Louisville
  80. Dynacraft Aftershock 18 Speed Dual Suspension Mountain Bike
    $100
  81. 14.5 inch Fame Youth Mountain Buke
    $500
    Longmont
  82. Litespeed Toccoa titanium mountain bike
    $895
    Boulder
  83. Raleigh M40 21 Speed Front Suspension Mountain Bike
    $125
  84. Schwinn Solutions FS 27 Speed Front Suspension Mountain Bike
    $100
  85. Schwinn Moab 2 Extra Small tuned ready to ride
    $125
    Boulder
  86. Pello Reyes 24" bicycle
    $400
    Boulder
  87. 2024 Revel Ranger V2 XO build
    $4,500
  88. NEW Cannondale Trail -7 M bike w/Rack
    $325
    Longmont
  89. Trek 4500 Women's Hardtail Mountain Bike
    $250
    Boulder
  90. Extra Small Specialized Comp Kids Mountain Bike - 26" Wheels
    $250
    Boulder
  91. Trek 3500
    $200
    erie
  92. Youth Full Suspension Electric Mountain bike 2022 Mondraker
    $1,500
    boulder
  93. Specialized
    $129
    Longmont
  94. Co-op drt 1.1 mtb bike
    $275
    Gunbarrel
  95. Specialized era comp 26 light
    $225
    Nederland
  96. GIANT Boulder SE Hardtail Mountain Bike Excellent Condition Just Tuned
    $260
    Louisville
  97. Trek Farley 8 Fat Tire Bike
    $995
    Broomfield
  98. 2022 Trek Slash 9.8 XT size M/L Full Suspension
    $2,750
    Lyons
  99. Aventon Ramblas - Small - 28mph pedal assist!
    $2,200
    Niwot
  100. Small / Medium Specialized Mountain Bikes x 4 - Tuned Up
    $250
    Boulder
  101. Novara Pika Women's Hardtail Mountain Bike For Sale
    $90
    Lafayette
  102. 2023 Trek Slash 9.8
    $2,000
  103. Specialized
    $129
    Longmont
  104. Giant Sedona ST Hybrid / Commuter Bike Great Condition Fully Serviced
    $200
    Louisville
  105. 2022 Trek Slash 9.8 XT size M/L Full Suspension bike
    $2,750
    Lyons
  106. Gary Fisher Joshua X1
    $250
    Superior
  107. Trek 2021-2023 Roscoe 6 S CH-RD Mountain Bike
    $450
    Louisville
  108. Fezzari (Ari)Delano Peak Pro (Large) High end spec
    $3,762
    Boulder
  109. Saintropez Trailwinder
    $50
    greeley
  110. Specialized rock hopper mountain bike mountain bike
    $325
    Boulder
  111. 2024 S-Works Epic World Cup
    $6,350
    Erie
  112. 2021 Medium Giant Stance 29 2
    $1,200
    Boulder
  113. 2020 Large Specialized Rockhopper Expert 29
    $400
    Boulder
  114. XL Ragley Bigwig Enduro Hardtail Mountain Bike
    $1,600
    Boulder
  115. XL Trek Roscoe 8 Hardtail Mountain Bike
    $950
    Boulder
  116. 2019 S-Works Specialized Stumpjumper 29er
    $3,500
    Erie
  117. Santa Cruz Nomad Mountain Bike
    $2,800
    Boulder
  118. Moots Smoothie Blend MTB - Size Medium (17")
    $2,500
    Louisville
  119. [OBO] 2021 Hardtail MTB: Ghost Kato Universal 29 Hardtail Medium
    $400
    North Boulder
  120. XS - Specialized Rockhopper 27.5 wheels - youth MTB
    $395
  121. 2012 Surly Pugsley Black Ops/Necromancer 20" (L), 2 wheelsets, extras
    $1,700
  122. Titanium Voodoo Haka 29er
    $750
    Nederland
  123. Kids' Extra Small Trek Mountain Bikes -26" Wheels - Pro Tuned Up
    $250
    Boulder
  124. 2020 Evil the Wreckoning - full carbon L frame
    $1,900
    Boulder, CO
  125. Specialized Epic Evo
    $0
  126. Woom Off Air 5 24" Mountain Bike - Excel. Cond., 2 yrs old, Orig Owner
    $1,050
    Near Louisville
  127. Mountain Bike Santa Cruz Julianna Joplin
    $3,450
    Boulder
  128. Hardtail Mountain Bike - REI Brand
    $640
    Longmont
  129. GT 2.0 Avalanche 24 sp medium 26 mtn bike new
    $425
    Arvada
  130. XXL Specialized Rockhopper
    $700
    Longmont
  131. 1993 GT All Terra Outpost Chromoly Steel Triple Triangle Mountain Bike
    $350
    Boulder
  132. 2021 Yeti SB 115 XL
    $2,950
    Lyons
  133. Trek Bike Marlin 6
    $350
    Boulder
  134. Wilde Supertramp, size Large, Shimano XT, Paul, WTB, Wolftooth
    $1,995
    Lafayette
  135. Fuji Mountain Bike
    $50
    Erie
  136. 2022 Marin Rift Zone 2 Mountain Bike (UPGRADED!)asking $1400
    $1,400
  137. 2012 Rebuild Trek Superfly 100 Pro (17.5") 29r
    $1,800
    West Longmont/Niwot
  138. Trek 300 Navigator 14 speed
    $115
    Longmont
  139. Sold! 2016 Trek Farley 5
    $500
    Gunbarrel (Boulder)
  140. Free Huffy Rock Creek Mnt Bike
    $0
    Lafayette
  141. 2022 Specialized Stumpjumper Comp Alloy S3 (Medium)
    $1,800
    Boulder
  142. Trek 4500 women’s mountain bike
    $150
    Gunbarrel
  143. Nishiki Pueblo 24" Mountain Bike
    $90
    Louisville
  144. Specialized Hard Rock 24''
    $129
    Longmont
  145. REI Coop Cycles 2024 Drt 1.2 hardtail MTB - Brick color
    $599
    Boulder
  146. Specialized S Works Epic WC Size Large
    $6,000
    Boulder
  147. Specialized Status 140 Mountain Bike - Size S3/Medium
    $2,000
    Broomfield
  148. Trek 7000 MTB
    $125
    Gunbarrel
  149. Diamond Back mountain bike
    $125
    Boulder