15 Results: New & Used in mountain bike in Australia

Mongoose Rockadile 24" kids mountain bike in black/pink. Bought form 99 Bikes in 2011, $500 new. Rarely used, in good condition, stored in garage throughout. Cleaned, oiled and in good working condition. - T1 aluminium frame with interna cable routing - Xposure forks with 60mm travel - 3 x 7 speed shimano drivetrain; Prowheel 152mm rank; Shimano Tourney Derailleurs and Revo shifters - 24" aluminium double walled wheels with 2.35" mountain tyres - Aluminium hubs with 9 mm QR front and bolt-on r

Two (2) kids mountain bikes - 20" Mongoose Rockadile bought in 2019 from 99 Bikes $500 new. Lightly used and stored in garage. Suits child 120 - 150cm tall. - 20" Techtonic aluminium frame - Double walled 2.1" mountain tyres - 7 speed drivetrain; Samox 140mm crank; Shinao Tourney derailler and Revo shifter Excellent starter bikes in good condition; cleaned oiled and all working. Offered individually or as a pair ($150 each or offer for both) 1 x Girls and 1 x Womens bikes also available in se

Hi There Mongoose 24" Kid bike smooth change gear well maintained clean , purchased 99 bike ready to go pick up Kellyville

Kids Mongoose Mountain bike

Excellent condition. Purchased from 99 Bikes RRP $550. Pick up only from Waterloo 2017.

Excellent condition. Purchased from 99 Bikes. RRP $550 Pick up only from Waterloo 2017.

Mongoose Rockodile 20 inch mountain bike 7 speed grip shift Tyres need air. $25

24" Mongoose Rockadile Aluminium black/magenta unisex 3spd x 7spd Front suspension Great condition Rarely used Stored under dust cover

24" Mongoose Rockadile Aluminium Teal Green unisex 3spd x 7spd Front suspension Great condition Rarely used Stored under dust covers

Like new! Beautiful colour Mongoose with gears, stand, bell and drink holder added. Only been used maximum 5times in front of our house. Daughter has outgrown it and has an adult bike now. Bike suitable for kids and adults.

Good quality kids 20 inch Mongoose mountain bike. Selling because our child is now too tall. All parts in good working order. The left hand grip was beginning to come away, so it has been taped, as shown in the picture. The rear tube has a slow leak.

The Mongoose Rockadile is a mountain bike which can be ridden on bike paths or easier trails Rockadile is built around the tough and light T1 aluminium frame with internal cable routing to minimise maintenance. The Xposure fork with 60mm travel gives this bike some capability to head off-road and is more than enough for most kids on the dirt. The 3x7 speed Shimano drivetrain will help give riders experience on a geared bike with a range of gears to help them climb and descend. The Rockadile rol

Great kids first BMX bike, this bike has been hardly been ridden and is in near new condition. A couple of minor scratches. My son prefers his mountain bike . Pick up Elanora

Ready to go in Kew, good condition

Mongoose Rockadile 20" mountain bike. Purple, blue and white. 7 speed. Tectonic T1, aluminium hardtail frame, 20" sport geometry. Robust 20" x 2.35" tires on double wall rims. Perfect for young mountain bikers getting into the sport. Some rips in the seat (see close up picture) but otherwise in very good condition.