The Mongoose 20" Rockadile line of youth mountain bikes offers everything young XC rippers could need whether they’re just getting into the sport or improving their skills.


  • 7-speed drivetrain; Samox® 140 mm crank; Shimano® Tourney derailleur and Revo shifter
  • 20” aluminum double wall wheels with 2.35” mountain tires
  • Aluminum hubs with 9 mm QR front and bolt-on rear axles


  • Frame: Tectonic T1, aluminum, 20” sport geometry, internal cable routing, 9 mm x 135 mm dropout, replaceable hanger
  • Fork: Xposure, 20”, steel steerer, lockout, 9 mm x 100 mm, QR, 60 mm travel
  • Crank: Samox SAC30-111P, aluminum, 32T
  • Chain:KMC HV500
  • Bottom Bracket: Feimin FP-B609W, cartridge, 3-piece, threaded 68 mm shell
  • Shifters: Shimano RS36, 7
  • Rear cog: Sunrace, 7-speed, 14-34T
  • Rear Derailleur: Shimano RD-FT35
  • Rims: Xposure, aluminum double wall, 23 mm ID, 32H
  • Front hub: Xposure, aluminum, 9 mm x 100mm, 32H, 6-bolt
  • Rear hub: Xposure, aluminum, ball bearing, 3/8 mm x 135 mm, 32H, 6-bolt
  • Spokes: 14G, stainless steel
  • Tyres: Mongoose, 20 in x 2.1 in, wire bead
  • Pedals: Mongoose, nylon
  • Brakes: Radius, linear pull, aluminum
  • Handlebar: Mongoose, aluminum, 520 mm width, 6° rise, 25.4 mm clamp
  • Stem: Xposure diecast, threadless, 7°, 31.8 mm clamp
  • Headset: Threadless, ZS44/ZS44, retainer bearing
  • Seat Post: Xposure, aluminum, 350 mm, 20 mm offset, 31.6 mm
  • Saddle: Mongoose Kids, integrated rails
  • Grips: Mongoose, single density


Brand Mongoose

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