The 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


Sizes OS
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
Bottom Bracket Feimin FP-B609W, cartridge, 3-piece, threaded 68 mm shell
Shifters Shimano RS36, 7
Rear Cog Sunrace, 7-speed, 14-34T
Chain KMC HV500
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
Pedals Mongoose, nylon
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
Brakes Radius, linear pull, aluminum
Seat Post Xposure, aluminum, 350 mm, 20 mm offset, 31.6 mm
Spokes 14G, stainless steel
Tyres Mongoose, 20 in x 2.1 in, wire bead
Saddle Mongoose Kids, integrated rails
Pedals Mongoose, nylon
Grips Mongoose, single density

Geometry and Sizing

A Head Tube Angle (Degrees) 70
B Seat Tube Angle (Degrees) 70.5
C Horizontal Top Tube Length (mm) 460
D Seat Tube Length (mm) 286
E Standover Height (mm) 547
F Head Tube Length (mm) 125
G Chainstay Length (mm) 381
H Fork Offset (mm) 35
I Bottom Bracket Drop (mm) -
J Wheelbase (mm) 883
K Stack (mm) 453
L Reach (mm) 299
  Stem Length (mm) 70
  Bar Width (mm) 560
  Seat Post Size (mm) 27.2

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