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. Giant Cypress SX 27 Speed Hybrid
    $150
  3. TREK 4300 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  4. Novara Moxie 24 Kids Hardtail Mountain Bike Excellent Condition Tuned
    $240
    Louisville
  5. Raleigh Venture 3.0 Hybrid / Comfort Bike Excellent Condition Tuned
    $300
    Louisville
  6. Infinity Boss Three Dual Disc 7 Speed Hybrid
    $175
  7. Mongoose Montana 21 Speed Front Suspension Mountain Bike
    $100
  8. Schwinn Le Tour GS race road bike
    $200
    Boulder
  9. Giant Liv Alight 3 Hybrid Commuter Comfort Bicycle
    $200
    South Boulder
  10. Specialized Crossroads Hybrid Bicycle Aluminum Frame
    $300
    South Boulder
  11. GT Agressor Mountain Bicycle XXL Aluminum Frame
    $200
    South Boulder
  12. Gary Fisher Tassajara GS Mountain Bike
    $250
    South Boulder
  13. Specialized Expedition Sport Mountain Bike
    $200
    South Boulder
  14. Gary Fisher Kaitai Aluminum Frame Front Suspension Mountain Bike
    $250
    South Boulder
  15. Cannondale Competition Series 3.0 SM900 Aluminum Frame Mountain Bike
    $400
    South Boulder
  16. Gary Fisher Joshua X1 Full Suspension Mountain Bike
    $300
    South Boulder
  17. Giant Boulder Mountain Bike
    $180
    South Boulder
  18. Jamis Citizen 2 Comfort Bicycle
    $250
    South Boulder
  19. Kona NuNu Mountain Bike
    $200
    South Boulder
  20. Trek Fuel 90 Full Suspension Mountain Bike 🚲
    $350
    South Boulder
  21. Gary Fisher Utopia Hybrid Urban Commuter Bike 🚴‍♂️
    $200
    South Boulder
  22. Cannondale F600 Comp Mountain Bicycle
    $250
    South Boulder
  23. Gary Fisher Cake 3 DLX Bicycle Full Suspension Hydraulic Disc Brakes
    $450
    South Boulder
  24. Trek 6500 Aluminum Frame Mountain Bicycle - Blue
    $200
    South Boulder
  25. Trek 6500 Aluminum Frame Mountain Bike - Orange
    $200
    South Boulder
  26. GT Aggressor 2.0 Aluminum Frame Mountain Bike
    $200
    South Boulder
  27. Kona Hoss Aluminum Frame Mountain Bike
    $250
    South Boulder
  28. Specialized Hardrock Punk Mountain Bike
    $200
    South Boulder
  29. Kona Cinder Cone Suspension Mountain Bicycle
    $250
    South Boulder
  30. Schwinn Super Sport GL Road Bike Aluminum Frame
    $250
    South Boulder
  31. Classic Schwinn s [ 9 five] .3 Aluminum Mountain Bike
    $175
    South Boulder
  32. Schwinn Mesa GS Aluminum Frame Suspension Mountain Bike bicycles
    $200
    South Boulder
  33. Felt FA SL Superlight Aluminum Road Bicycle
    $700
    South Boulder
  34. Specialized Roll Sport Comfort Hybrid Bike
    $250
    South Boulder
  35. Castellano Fango Softail Aluminum Frame Mountain Bicycle
    $380
    South Boulder
  36. Schwinn Mesa GSX Aluminum Mountain Bike Front Suspension
    $250
    South Boulder
  37. Cannondale F300 Front Suspension Mountain Bike
    $275
    South Boulder
  38. Motobecane Elite Adventure 28" Gravel Hybrid Bike
    $200
    South Boulder
  39. Gary Fisher Napa Mointain Bike
    $250
    South Boulder
  40. Trek 3900 WSD Mountain Bicycle
    $200
    South Boulder
  41. Specialized RockHopper Mountain Bicycle 🚵‍♂️
    $200
    South Boulder
  42. TREK MT220 Kids Hardtail Mountain Bike Excellent Condition Tuned
    $260
    Louisville
  43. ROAD BIKE Vintage 1500 Trek 52cm for 5'0-5'5 ~NEW TIRES WRAP SEAT ETC!
    $130
    Metro Denver
  44. Schwinn Sierra 21 Speed Front Suspension Hybrid
    $125
  45. TREK 1000 SL Road Bike Excellent Condition Fully Serviced
    $380
    Louisville
  46. TREK Navigator 2.0 Hybrid/Comfort Bike Excellent Condition Just Tuned
    $300
    Louisville
  47. 2023 Liv Alight Aluminum Hybrid Bike-Size Medium
    $195
    Louisville
  48. Scott Speedster S30
    $250
    Lafayette
  49. Giant Cypress Hybrid Bike
    $100
    Lafayette
  50. Trek 7700 FX
    $150
    Lafayette
  51. FUJI Monterey Hybrid / Comfort Bike Like New Condition Fully Serviced
    $380
    Louisville
  52. Giant Revel W1 Disc Woman’s Hardtail Mountain Bike Excellent Tuned
    $380
    Louisville
  53. Cannondale super vsl 900
    $50
    Boulder
  54. Trek Mountain Track City Commuter Bike -Professionally Tuned Up
    $200
    Boulder
  55. Trek 820 Hybrid Commuter Bike - Professionally Tuned Up
    $225
    Boulder
  56. Schwinn Moab 24 Speed Mountain Bike- Professionally Tuned Up
    $250
    Boulder
  57. Trek 3200 - Excellent Condition
    $250
    Boulder
  58. Trek 3500 Mountain Bike
    $250
    North Boulder
  59. Extra Small Specialized Comp Kids Mountain Bike - 26" Wheels
    $250
    Boulder
  60. Kids' Extra Small Specialized Mountain Bikes - 26" Wheels-Tuned Up
    $250
    Boulder
  61. Women's Specialized Hybrid - Professionally Tuned Up
    $250
    Boulder
  62. SCHWINN Sierra GS Woman's Hybrid / Comfort Bike Excellent Cond. Tuned
    $220
    Louisville
  63. TREK Navigator 200 Hybrid/Comfort Bike Excellent Condition Just Tuned
    $300
    Louisville
  64. GIANT MTX 225 Kids Mountain Bike Excellent Condition Ready to Ride
    $240
    Louisville
  65. Trek Alpha 4900 Mountain bike 22.5" frame
    $140
    Boulder
  66. Specialized Stumpjumper Expert mountain/Trail bike
    $860
    Boulder
  67. Ladies Diamondback Mountain Bike
    $50
    lafayette
  68. Infinity Boss Three Dual Disc 7 Speed Hybrid
    $175
  69. Diamondback Lustre 1 21 Speed Front Suspension Mountain Bike
    $80
  70. Northwoods Pomona 7 Speed Dual Suspension Hybrid
    $125
  71. Giant Roam 2 E-bike Electric Bicycle w/ Bafang Mid Drive Motor
    $1,500
    South Boulder
  72. GIANT Simple Seven Woman's Cruiser Bike Like New Condition Just Tuned
    $200
    Louisville
  73. TREK SOHO-S Single Speed Road Bike Excellent Condition
    $200
    Louisville
  74. TREK Navigator 200 Hybrid / Comfort Bike Great Condition Just Tuned
    $260
    Louisville
  75. HARO V-Series V1 Hardtail Mountain Bike Excellent Condition Just Tuned
    $280
    Louisville
  76. Marin San Rafael City Series 24 Speed Hybrid
    $150
  77. Miyata 21 Speed Hybrid
    $125
  78. GT Speed Series Team Bike
    $1,800
    Lafayette
  79. GIANT Cypress Hybrid / Comfort Bike Excellent Condition Fully Serviced
    $340
    Louisville
  80. FUJI Newest 3.0 Road Bike Excellent Condition Fully Serviced
    $380
    Louisville
  81. TREK 3500 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  82. Specialized Hotrock Hardtail Mountain Bike- Professionally Tuned Up
    $250
    Boulder
  83. Miyata Hybrid Bicycle - Professionally Tuned Up
    $250
    Boulder
  84. Extra Small Trek 8000 Mountain Bike - 26" Wheels- Pro Tuned Up
    $250
    Boulder
  85. 2001 Schwinn Homegrown Comp 17"
    $575
    Table Mesa
  86. K2 ZED 1.0 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  87. JEEP Hardtail Mountain Bike Excellent Condition Ready to Ride
    $200
    Louisville
  88. Pinarello kids road 24
    $250
    Boulder
  89. Schwinn Ranger 26” Mountain Bike - $180
    $180
    Boulder
  90. Specialized Myka 26” Mountain Bike - XS - $180
    $180
    Boulder
  91. Trek Precaliber 24 Mountain Bike - $180
    $180
    Boulder
  92. GIANT Boulder SE Hardtail Mountain Bike Excellent Condition Just Tuned
    $260
    Louisville
  93. TREK Navigator 400 Step Through Hybrid / Comfort Bike Like New Tuned
    $340
    Louisville
  94. TREK 1000C Road Bike Excellent Condition Fully Serviced
    $380
    Louisville
  95. TREK Superfly 240 Disc Hardtail Mountain Bike Excellent Cond. Tuned
    $460
    Louisville
  96. Smaller ROAD BIKE Vintage Trek 49cm for 4'11-5'3 ~ ALL TUNED UP!
    $60
    Metro Denver
  97. TREK Navigator 200 Hybrid / Comfort Bike Like New Cond. Fully Serviced
    $340
    Louisville
  98. Trek Discovery Channel Road Bike - Small Mint Condition
    $360
    North Boulder
  99. Diamondback Vital 2 Woman's Hybrid / Comfort Bike Like New Just Tuned
    $280
    Louisville
  100. K2 Cheyenne Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  101. Specialized 29er 17" mountain & gravel hardtail
    $240
    Westminster
  102. Rans Cruz recumbent bicycle, medium
    $800
    Longmont
  103. Specialized M4 17" Mountain Bike
    $250
    boulder
  104. Phat Aloha Mahalo Cruiser
    $250
    boulder
  105. Giant Cypress XL Hybrid Bike
    $160
    Berthoud
  106. Kids' Extra Small Trek Mountain Bikes -26" Wheels - Pro Tuned Up
    $250
    Boulder
  107. Cannondale 2009 Tandem
    $1,200
    Longmont
  108. Fuji 4.0 Absolute Hybrid Bicycle Excellent Condition
    $100
    Broomfield 144th and Sheridan
  109. Salsa Beargrease 2 Fatbike Small
    $1,600
    Louisville
  110. Trek Gary Fisher edition Advance
    $150
    Longmont
  111. 2023 Trek Fuel Ex 7 Deore (sub 50 miles)
    $2,400
    Boulder
  112. Mobo Cruiser Recumbent Tricycle – Excellent Condition
    $175
    Bohn Farm Neighborhood
  113. Trek FX 7.1 Fast Hybrid - Professionally Tuned Up
    $250
    Boulder
  114. Trek Roscoe Kids Bike
    $125
    Boulder
  115. XL Trek Roscoe 8 Hardtail Mountain Bike
    $700
    Boulder
  116. Raleigh Lily 16" bicycle
    $75
    Erie
  117. Trek 4500
    $150
  118. Trek Farley
    $850
    Longmont
  119. Kids Cannondale Trail 24
    $450
    Louisville
  120. Ladies Trek Allant
    $400
    Louisville
  121. Felt F65X Cyclocross Bike
    $590
    Superior
  122. Specialized Turbo Creo 2 Comp ES Ebike
    $3,800
    Boulder
  123. Specialized Kids Bicycle - Jett 20" 6 gears
    $200
    Superior
  124. COOP DRT 1.2 27.5” Small mountain bike
    $500
    Longmont
  125. Spawn Kotori 24” Kids dirt jumper/ pump track bike
    $800
  126. Vintage Cannondale F500
    $325
    Boulder
  127. Townie Bike
    $200
  128. Townie Bike
    $200
  129. KHS 1000 Fat Tire Bicycle
    $375
  130. Banshee Spitfire
    $1,250
    Boulder
  131. Titus Motolite
    $475
    Boulder
  132. Kona Full Suspension Medium Hei Hei Deluxe
    $700
    Estes Park
  133. Isla Beinn 20" bike
    $250
    SW Boulder
  134. 2000 Specialized Stump Jumper M2
    $250
    Boulder
  135. Trek Navigator 200- large, comfortable hybrid/upright/aluminum
    $125
    Mapleton Hill
  136. 2016 Dartmoor 26Player 26"
    $875
    Boulder
  137. Gravity Single-Speed Fixie Track Bike
    $300
    Longmont
  138. PIM EBike refurbished
    $550
    boulder
  139. Cannondale Hybrid
    $180
    Gunbarrel
  140. Kids Single Speed Cannondale
    $50
  141. “Sole” Single Speed Bike
    $100
    Longmont
  142. 2021 Giant Stance
    $950
    Gunbarrel
  143. Specialized rockhopper
    $75
  144. Ghost standard cross 4.8
    $200
  145. Young Adult Bike: Giant Revel, Small
    $200
    Superior
  146. Santa Cruz Jackal DJ Dirt Jumper
    $1,750
    Louisville
  147. Road bike Schwinn fastback
    $200
    Boulder
  148. Ebike - Novara buzz bike
    $300
    longmont
  149. Women's GIANT Simple Seven cruiser
    $100
    Gunbarrel
  150. Cube Cargo Sport Hybrid 500 Electric Cargo Bike
    $4,500
    Louisville
  151. Trek Farley 8 Fat Tire Bike
    $895
    Broomfield
  152. 2018 Breezer Downtown - Large
    $150
    Boulder
  153. 2021 Specialized Diverge Comp GRX (new)
    $2,250
    Boulder, CO
  154. Giant XTC Child's Bike
    $150
    Superior
  155. Child's Bike: Liv Enchant, 21spd
    $250
    Superior
  156. Diamondback Response XL
    $80
    Boulder
  157. DelSol Tradewind DLX Cruiser
    $125
  158. Novara Strada Road Bike
    $350
    Boulder
  159. BlackHeart Gravel AL – Size 50 – AXS + Carbon Wheels + Power Meter
    $3,500
  160. Trek Wasabi Cruiser
    $50
  161. Small Specialized Mountain Bike
    $250
  162. Trek Hybrid 7.3 FX WSD
    $120
    Boulder
  163. BlackHeart Gravel AL – Size 50 – AXS + Carbon Wheels + Power Meter
    $3,500
  164. Novara Small 14" 700c
    $150
    Boulder
  165. Specialized Stumpjumper FSR Elite
    $750
    Broomfield
  166. 2003 Specialized Allez Pro
    $400
    Fort Collins