20" Fem Rockadile

Smoother shifting, more powerful brakes, better suspension fork performance. The Avalanche Expert is equipped with the most capable components within the lineup, feeding you the confidence to progress your singletrack skills on climbs, descents and all the straightaways you can handle.


Currently taking pre-orders for late summer through winter delivery. Call the store for the latest information on models, sizes, dates and availability. Due to Covid-related stresses on the supply chain, all bike brands are experiencing delays of up to 12 months for popular models. Those with pre-orders in place will get priority allocations when limited stock arrives. 03 9557 6461

*Sale applies while stocks last


The Mongoose Rockadile is perfect for young mountain bikers getting into the sport. With an aluminium hardtail frame, suspension fork, and robust 20" x 2.35" tires on double wall rims, you'll be able to ride all day while soaking up bumps on the trail. Not owning this bike is the only thing standing between you and a trail-ripping good time.



-Lightweight, durable Tectonic T1 aluminium frame and fork. Designed for riders 4' to 5'.

-7-speed drivetrain with Samox 140 mm crank, Shimano Tourney derailleur and Revo shifter, aluminium hubs with 9 mm QR front and bolt-on rear axles.

-20" x 2.35" MTB tires on aluminium double wall wheels with aluminium linear pull brakes.

The Urban Pedaler Promise
Each bike purchased with us includes:


  • Professionally built and inspected by an experienced bicycle technician
  • Free minor adjustments for 30 days from purchase
  • Free first tuneup between 3 and 6 months from purchase – valued at $149 – does not include parts
  • Lifetime Warranty on bike frames and Limited Warranty on complete bikes, subject to brand-specific inclusions

Frame Tectonic T1, aluminium, 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, aluminium, 32T

Chain KMC HV500

Bottom Bracket Feimin FP-B609W, cartridge, 3-piece, threaded 68 mm shell

Cassette Sunrace, 7-speed, 14-34T

Rear Derailleur Shimano RD-FT35



Rims Xposure, aluminium double wall, 23 mm ID, 32H

Front Hub Xposure, aluminium, 9 mm x 100mm, 32H, 6-bolt

Rear Hub Xposure, aluminium, ball bearing, 3/8 mm x 135 mm, 32H, 6-bolt

Spokes 14G, stainless steel, Black

Tires Mongoose, 20 in x 2.1 in, wire bead


BRAKES Radius, linear pull, aluminium



Handlebar Mongoose, aluminium, 520 mm width, 6° rise, 25.4 mm clamp

Pedals Mongoose, nylon

Stem Xposure diecast, threadless, 7°, 31.8 mm clamp

Headset Threadless, ZS44/ZS44, retainer bearing

Seat Post Xposure, aluminium, 350 mm, 20 mm offset, 31.6 mm

Saddle Mongoose Kids, integrated rails

Grips Mongoose, single density

Limited availability, call for up to date info

These will begin arriving in some sizes asap and are expecting to be filled out through the season. Call store for the latest information on dates and availability. Due to factory shortages, most bike brands are experiencing delays. Those with pre-orders in place will get priority allocations when limited stock arrives. 03 9557 6461

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