Mongoose Rockadile 20" Boys MTB (2025) Helmet The Hammer S line of

The Hammer S line of 29er

World Cup performance

The standard Out Front Mount can be reversed to go over the stem of your bike's handlebars

#The X-3 Dirty Chain Machine is not compatible with BMX or track chains

A stiff engineering grade polymer support frame is comolded to a softer more flexible material at the trailing edge for greater durability

Mongoose Rockadile 20" Boys MTB (2025) Helmet The Hammer S line ofFeaturing 20 and 24 models, the Rockadile line of youth mountain bikes offers everything young XC rippers could need whether theyre 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