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craigslist

boulder mountain bikes

  1. see also

    electric bikes

    kids bikes

    mountain bikes

    road bikes

  2. Vintage Steel Trek 950
    $240
    Arvada
  3. Pacific Quasar 21 Speed Mountain Bike
    $125
  4. 1996 Trek Y22 Carbon Fiber MTB 19" for 5'8-6'0 ~ Awesome Vintage RIDE!
    $330
    Metro Denver
  5. Bridgestone MB-5 Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  6. GT Outpost Trail Mountain Bike Excellent Condition Fully Serviced
    $240
    Louisville
  7. RoadMaster Mt. Fury Mountain Bike Great Condition Just Tuned
    $70
    Louisville
  8. HARO V-Series V1 Hardtail Mountain Bike Excellent Condition Just Tuned
    $280
    Louisville
  9. Extra Small Specialized Comp Kids Mountain Bike - 26" Wheels
    $250
    Boulder
  10. Santa Cruz Tallboy (29" wheels)
    $899
    Boulder
  11. TREK 3500 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  12. Gary Fisher Joshua X1
    $220
    Superior
  13. Mongoose Montana 21 Speed Front Suspension Mountain Bike
    $100
  14. fat tire ebike (rad rover plus 6)
    $1,100
    erie
  15. Niner Air9
    $1,000
    South Boulder
  16. 2021 Yeti SB 130 T2, XL frame, great condition!
    $3,200
    Boulder
  17. Surly Moonlander fat tire steel bike - 18 inch
    $590
    Nederland
  18. GIANT Boulder SE Hardtail Mountain Bike Excellent Condition Just Tuned
    $260
    Louisville
  19. JEEP Hardtail Mountain Bike Excellent Condition Ready to Ride
    $200
    Louisville
  20. 2025 Pivot Shuttle LT (Pro XO Eagle Build; E-Mountain Bike)
    $10,495
    Longmont
  21. Diamondback Lustre 1 21 Speed Front Suspension Mountain Bike
    $80
  22. Mongoose Sahara 21 Speed Front Suspension Mountain Bike
    $100
  23. TREK 4300 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  24. Specialized M4 17" Mountain Bike
    $250
    boulder
  25. Pivot Mach 4 SL Team World Cup Mountain Bike XL
    $5,450
    Boulder
  26. Gary Fisher Mamba Hardtail Mountain Bike Excellent Condition Tuned
    $240
    Louisville
  27. K2 Cheyenne Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  28. Trek 4500 Women's Hardtail Mountain Bike - Professionally Tuned Up
    $250
    Boulder
  29. Specialized Hotrock Hardtail Mountain Bike- Professionally Tuned Up
    $250
    Boulder
  30. Trek 830 Mountain Track Bike 19in 3x7 26x2.1
    $190
  31. Giant Revel W1 Disc Woman’s Hardtail Mountain Bike Excellent Tuned
    $380
    Louisville
  32. Trek Alpha 4900 Mountain bike 22.5" frame
    $140
    Boulder
  33. Specialized Stumpjumper Expert mountain/Trail bike
    $260
    Boulder
  34. Trek Marlin 7 Mountain Bike - 29er Hydraulic Disc Brakes
    $450
    South Boulder
  35. GT Agressor Mountain Bicycle XXL Aluminum Frame
    $200
    South Boulder
  36. Gary Fisher Tassajara GS Mountain Bike
    $260
    South Boulder
  37. Gary Fisher Kaitai Aluminum Frame Front Suspension Mountain Bike
    $250
    South Boulder
  38. Cannondale Competition Series 3.0 SM900 Aluminum Frame Mountain Bike
    $400
    South Boulder
  39. Gary Fisher Joshua X1 Full Suspension Mountain Bike
    $300
    South Boulder
  40. Cannondale Scalpel 29" Carbon 2 Lefty Mountain Bike
    $1,000
    South Boulder
  41. Giant Boulder Mountain Bike
    $180
    South Boulder
  42. Trek Fuel 90 Full Suspension Mountain Bike 🚲
    $350
    South Boulder
  43. Kona NuNu Mountain Bike
    $200
    South Boulder
  44. Nishiki Bravo Mtn Bicycle
    $125
    South Boulder
  45. Cannondale F600 Comp Mountain Bicycle
    $250
    South Boulder
  46. Specialized HardRock FS Mountain Bike - Silver
    $200
    South Boulder
  47. Gary Fisher Cake 3 DLX Bicycle Full Suspension Hydraulic Disc Brakes
    $450
    South Boulder
  48. Trek 6500 Aluminum Frame Mountain Bike - Orange
    $200
    South Boulder
  49. Trek 6500 Aluminum Frame Mountain Bicycle - Blue
    $200
    South Boulder
  50. GT Aggressor 2.0 Aluminum Frame Mountain Bike
    $200
    South Boulder
  51. Fuji Nevada Mountain Bike
    $150
    South Boulder
  52. Fuji Eddy Mountain Bicycle
    $150
    South Boulder
  53. GT Outpost All Terra Vintage Mountain Bike
    $200
    South Boulder
  54. GT Outpost Mountain Bicycle - Front Suspension
    $175
    South Boulder
  55. Giant Rincon Mountain Bicycle
    $200
    South Boulder
  56. Kona Hoss Aluminum Frame Mountain Bike
    $250
    South Boulder
  57. Kona Cinder Cone Suspension Mountain Bicycle
    $250
    South Boulder
  58. Specialized Hardrock Punk Mountain Bike
    $200
    South Boulder
  59. GT Saddleback Mountain Bike - Front Suspension
    $125
    South Boulder
  60. Classic Schwinn s [ 9 five] .3 Aluminum Mountain Bike
    $175
    South Boulder
  61. Classic Diamondback Ascent Mountain Bicycle 🚵‍♂️
    $140
    South Boulder
  62. Schwinn Mesa GS Aluminum Frame Suspension Mountain Bike bicycles
    $200
    South Boulder
  63. Specialized Hardrock Sport Mountain Bike
    $250
    South Boulder
  64. Castellano Fango Softail Aluminum Frame Mountain Bicycle
    $380
    South Boulder
  65. Schwinn Mesa GSX Aluminum Mountain Bike Front Suspension
    $250
    South Boulder
  66. Cannondale F300 Front Suspension Mountain Bike
    $275
    South Boulder
  67. Trek 7.3 FX Bicycle
    $250
    South Boulder
  68. Specialized RockHopper Bicycle 🚲
    $200
    South Boulder
  69. Gary Fisher Napa Mointain Bike
    $250
    South Boulder
  70. Gary Fisher Mamba Front Suspension Mountain Bike
    $200
    South Boulder
  71. Giant ATX780 Front Suspension Mountain Bike
    $200
    South Boulder
  72. Specialized RockHopper Mountain Bicycle 🚵‍♂️
    $200
    South Boulder
  73. Fuji Mountain Bike
    $150
    Berthoud
  74. Diamond Back Mountain Bike
    $100
    Berthoud
  75. Trek 7700 FX
    $150
    Lafayette
  76. Specialized Turbo Levo SL 2 Comp Carbon Large-Brand New!!!
    $5,300
    Louisville
  77. Medium 2023 Trek Slash 9.8 AXS carbon 29er ($4k on bluebook)
    $2,750
    Boulder
  78. Large Specialized S-Works Stumpjumper 29 XX1 (excellent shape)
    $1,800
    Boulder
  79. Raleigh Technium ATB-All Terrain Bike Excellent Cond. Fully Serviced
    $320
    Louisville
  80. Raleigh Talus Mountain Bike (XS) Like New Condition Ready to Ride
    $240
    Louisville
  81. COOP DRT 1.2 27.5” Small mountain bike
    $500
    Longmont
  82. 2024 Ibis Ripley V4S – Medium – XX SL Transmission – I9 Hydra Carbon W
    $5,500
    Longmont
  83. Giant Trance X2 2017
    $600
    Boulder
  84. Raleigh USA M-55 Hardtail Mountain Bike Excellent Condition Just Tuned
    $220
    Louisville
  85. K2 ZED 1.0 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  86. Santa Cruz Tallboy 3 - Size XL (fits like a L)
    $1,200
    Boulder
  87. Niner Air9 Hardtail Medium 29er
    $500
    Superior
  88. 2023 Norco Sight VLT C1 - Large
    $4,500
    Lafayette
  89. Ancheer 26" Electric Mountain Bike MAX
    $90
    Boulder
  90. Specialized Stumpjumper Pro with S-Sorks upgrades. Medium S3
    $3,750
    Boulder
  91. Vintage Cannondale F500
    $325
    Boulder
  92. Specialized Enduro Mountain Bike S5
    $3,800
    Lyons
  93. Santa Cruz Tall Boy
    $4,900
    Boulder
  94. Tair Ripper - Small
    $2,500
    Boulder
  95. Banshee Spitfire
    $1,250
    Boulder
  96. Titus Motolite
    $475
    Boulder
  97. Kona Full Suspension Medium Hei Hei Deluxe
    $700
    Estes Park
  98. 2001 Schwinn Homegrown Comp 17"
    $575
    Table Mesa
  99. Trek Top Fuel 9.9 XTR size M/L
    $5,500
    South Boulder
  100. Niner Jet RDO 29in mtn-bike
    $1,800
  101. Soma Groove - Medium (26" + XT + RaceFace)
    $350
    Boulder / College
  102. 2000 Specialized Stump Jumper M2
    $250
    Boulder
  103. 2020 Evil the Wreckoning - full carbon L frame
    $1,700
    Boulder, CO
  104. Ibis Ripley LS
    $1,800
    North Boulder
  105. Specialized S-Works Epic World Cup 2024 medium
    $6,200
    boulder
  106. Early 90's Trek Singletrack XC
    $200
    Boulder
  107. Scott Spark RC N1NO Limited Edition
    $9,000
    Boulder
  108. Titanium (3/2.5) Full Suspension.
    $2,000
    Boulder
  109. 21" Jamis Aurora Mountain Bike
    $85
    Longmont
  110. Trek 930 Single Track Mountain Bike
    $300
    Boulder
  111. Niner ROS9 150mm hardtail mountain bike
    $700
  112. PNW Transition Relay 2025 Mullet
    $3,000
    Boulder
  113. Fuji Mountain Bike
    $50
    Erie
  114. Mountain Bike
    $150
    Broomfield
  115. 2021 Giant Stance
    $950
    Gunbarrel
  116. Specialized rockhopper
    $75
  117. Santa Cruz Blur LT (Large)
    $550
    Boulder
  118. Young Adult Bike: Giant Revel, Small
    $200
    Superior
  119. Yeti SB140 size L.
    $3,400
  120. Santa Cruz Jackal DJ Dirt Jumper
    $1,750
    Louisville
  121. Trek Farley 8 Fat Tire Bike
    $895
    Broomfield
  122. Moots Smoothie Blend MTB - Size Medium (17")
    $2,500
    Louisville
  123. Trek Stache M/L
    $850
    Longmont
  124. Cannondale F300 Verso Mountain Bike
    $225
  125. 24” Gary Fisher Mountain Bike Good Condition ($100 or best offer)
    $100
    Boulder
  126. 24” Specialized Mountain Bike Good Condition ($100 or best offer)
    $100
    Boulder
  127. Trek Fuel EX 8 - XL - MTB
    $1,200
    Erie
  128. 2018 Specialized Enduro Pro Carbon 29/6Fattie (S4 / Large)
    $2,300
    Longmont
  129. Trek 4500
    $150
  130. Nishiki Pueblo 24" Mountain Bike
    $70
    Louisville
  131. Diamondback Response XL
    $80
    Boulder
  132. Kids' Extra Small Trek Mountain Bikes -26" Wheels - Pro Tuned Up
    $250
    Boulder
  133. 2022 Trek Slash 9.8 XT size M/L Full Suspension
    $2,750
    Lyons
  134. Cannondale
    $180
  135. 2021 Specialized Stumpjumper S-Works S3
    $5,000
    Boulder
  136. Small Specialized Mountain Bike
    $250
  137. Specialized Enduro Expert S3 Medium SRAM XO Fox Cushcore
    $3,000
  138. Ursus Cub E-bike just put together today
    $400
    Boulder
  139. 2020 Pivot Firebird 29 Carbon Med | Fox 36 / Float X2 (freshly service
    $4,200
    Boulder
  140. Specialized Stumpjumper FSR Elite
    $750
    Broomfield
  141. 2012 Surly Pugsley Black Ops/Necromancer 20" (L), 2 wheelsets, extras
    $1,500
  142. Canyon Neuron CF 8
    $2,000
    Erie
  143. Trek 4900 Mountain Bikd
    $80
    Lafayette