Bridgestone 90/100x21 X40F Hard Sizing Guide_Sizing Guide - One Shell Easy to use single locking

Easy to use single locking screw

maximum protection for two-wheel racers

Combo Pliers – 6"

Reinforced safety seams

Bridgestone 90/100x21 X40F Hard Sizing Guide_Sizing Guide - One Shell Easy to use single lockingThe Bridgestone Battlecross X40 is made for riders who dominate hard terrain, from clay tracks to rocky trails. Engineered with Castle Block technology for relentless traction and control, its built to grip, bite, and keep you pushing limits. For racers and trail riders, the X40 turns hard terrain into your playground. Features: Front tyre features an Asymmetric Tread Pattern which optimises block placement to achieve stable grip under braking and