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craigslist

Bicycles For Sale in Boulder, CO

  1. see also

    electric bikes

    kids bikes

    mountain bikes

    road bikes

  2. TREK Superfly 240 Disc Hardtail Mountain Bike Excellent Cond. Tuned
    $460
    Louisville
  3. Raleigh USA M-55 Hardtail Mountain Bike Excellent Condition Just Tuned
    $220
    Louisville
  4. GT Outpost Trail Mountain Bike Excellent Condition Fully Serviced
    $240
    Louisville
  5. Specialized Hardrock Sport - Medium
    $90
    Arvada
  6. TREK MT 60 Kids Hardtail Mountain Bike Excellent Condition Just Tuned
    $160
    Louisville
  7. GIANT MTX 225 Kids Mountain Bike Excellent Condition Ready to Ride
    $240
    Louisville
  8. Trek Mountain Bike 29er - XL
    $525
    Arvada
  9. TREK 7.2 FX Hybrid / Gravel Bike Excellent Condition Ready to Ride
    $380
    Louisville
  10. Schwinn OR2 Hybrid/Comfort Bike Like New Condition Fully Serviced
    $200
    Louisville
  11. GIANT MTX 225 Kids Mountain Bike Good Condition Fully Serviced
    $160
    Louisville
  12. Schwinn Mesa Hybrid / Comfort Bike Great Condition Fully Serviced
    $200
    Louisville
  13. Novara Moxie 24 Kids Hardtail Mountain Bike Excellent Condition Tuned
    $240
    Louisville
  14. Gary Fisher MTB in well maintained condition
    $150
    Boulder
  15. Specialized Vita Elite Women’s Hybrid City Gravel L 700x32 3x9
    $300
  16. TREK 3700 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  17. RoadMaster Mt. Fury Mountain Bike Great Condition Just Tuned
    $70
    Louisville
  18. 2024 S-Works Epic World Cup
    $6,350
    Erie
  19. K2 Cheyenne Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  20. Raleigh Technium ATB-All Terrain Bike Excellent Cond. Fully Serviced
    $320
    Louisville
  21. Specialized Hot Rock 24"
    $200
    Erie
  22. Giant Revel W1 Disc Woman’s Hardtail Mountain Bike Excellent Tuned
    $380
    Louisville
  23. Raleigh Alysa 1 Hybrid / Gravel Bike Like New Condition Fully Serviced
    $280
    Louisville
  24. Raleigh Talus Mountain Bike Like New Condition Ready to Ride
    $240
    Louisville
  25. GT Bullet Kids Mountain Bike Excellent Condition Fully Serviced
    $160
    Louisville
  26. TREK MT 220, MT220 Kids Hardtail Mountain Bike Excellent Cond. Tuned
    $260
    Louisville
  27. TREK 3700 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  28. 2021 Medium Giant Stance 29 2
    $1,200
    Boulder
  29. Retrospec Judd folding bike 20” wheels
    $250
  30. JEEP Hardtail Mountain Bike Excellent Condition Ready to Ride
    $200
    Louisville
  31. HARO V-Series V1 Hardtail Mountain Bike Excellent Condition Just Tuned
    $280
    Louisville
  32. XL Ragley Bigwig Enduro Hardtail Mountain Bike
    $1,600
    Boulder
  33. XL Trek Roscoe 8 Hardtail Mountain Bike
    $950
    Boulder
  34. GT LOLA 24 Disc Kids/Girls Hardtail Mountain Bike Like New Just Tuned
    $380
    Louisville
  35. Hyper Spin Fusion 700C Hybrid / Road Bike Excellent Condition Tuned
    $180
    Louisville
  36. 2019 S-Works Specialized Stumpjumper 29er
    $3,500
    Erie
  37. 2016 Rumor Elite - 650B/27.5
    $500
    Erie
  38. Giant Quick-E+ E-bike commuter
    $999
    Boulder
  39. TREK 3500 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $280
    Louisville
  40. TREK FX 7.4 WSD - Woman's Hybrid / Gravel Bike Like New Fully Serviced
    $380
    Louisville
  41. TREK 4300 Hardtail Mountain Bike Excellent Condition Fully Serviced
    $300
    Louisville
  42. Huffy BMX BMX bicycle
    $19
    Louisville
  43. 2012 Surly Pugsley Black Ops/Necromancer 20" (L), 2 wheelsets, extras
    $1,700
  44. Titanium Voodoo Haka 29er
    $750
    Nederland
  45. Vintage 90s GIANT Iguana SE Silver MTB Mountain Bike Ready2Ride! 17.5"
    $180
    Gunbarrel
  46. 2023 Trek Supercaliber M/L
    $3,200
    Boulder
  47. DIAMONDBACK OVERRIDE BICYCLE w GRIP SHIFTS
    $125
    North Boulder Area
  48. Trek 2021-2023 Roscoe 6 S CH-RD Mountain Bike
    $550
    Louisville
  49. Intense Eddie Hard Tail 29er
    $1,000
    Boulder
  50. GT 2.0 Avalanche 24 sp medium 26 mtn bike new
    $425
    Arvada
  51. WOODEN BALANCE BIKE
    $35
    BOULDER
  52. Vintage Diamondback Traverse -- step through (17.5")
    $300
    Boulder
  53. 1993 GT All Terra Outpost Chromoly Steel Triple Triangle Mountain Bike
    $350
    Boulder
  54. REI CO OP CTY1.1
    $395
  55. All City Macho Man Gravel/Urban Shredder
    $850
    Longmont
  56. NCM Moscow Plus 48V E-bike
    $1,100
    Boulder
  57. Wilde Supertramp, size Large, Shimano XT, Paul, WTB, Wolftooth
    $2,200
    Lafayette
  58. KONA Stinky 24 Disc Full suspension Downhill Mountain Bike Just Tuned
    $880
    Louisville
  59. Women's Road Bike
    $90
    Erie
  60. Fuji Mountain Bike
    $50
    Erie
  61. 2020 Intense Sniper, size L
    $1,800
    Altona
  62. Sold! 2016 Trek Farley 5
    $500
    Gunbarrel (Boulder)
  63. Large Specialized Sirrus Comp $180
    $180
    Boulder
  64. 2022 Specialized Stumpjumper Comp Alloy S3 (Medium)
    $1,800
    Boulder
  65. Nishiki Pueblo 24" Mountain Bike
    $90
    Louisville
  66. REI Fatbike - DRT 4.1
    $500
  67. Specialized Hardrock Mountain Bike
    $120
    Longmont
  68. Diamondback Sorrentose Mountain Bike
    $100
    Boulder
  69. Specialized S Works Epic WC Size Large
    $6,000
    Boulder
  70. Trek 7000 MTB
    $125
    Gunbarrel
  71. Used Bike Marin San Rafael- Newly upgraded
    $400
    Longmont
  72. 2021 Ibis Ridley AF SLX Mountain Bike
    $2,000
  73. Yeti Sb5 TURQ XL SRAM XO
    $2,500
    Louisville
  74. Townie Raleigh Bike
    $175
    Lafayette
  75. Tern Short Haul
    $450
    Boulder
  76. Small mountain bikes
    $125
  77. 2006 Litespeed Vortex 54cm
    $1,500
    Golden
  78. Trek Dual Sport 3
    $600
    Longmont
  79. PERFORMANCE Mountain Bike M101
    $50