ALPINESTARS Knee Guards - Bionic Flex - L/XL 6505121-13-L/XL Stella Bionic Jacket Featuring a catalytic converter to

Featuring a catalytic converter to comply with Euro 5 regulations

Available for Hitachi or Prestolite starter motors

Removable upper back panel for BNS compatibility

The first Pro Circuit pipe built with bare metal finish

12mm hex design allows for easier tightening

ALPINESTARS Knee Guards - Bionic Flex - L/XL 6505121-13-L/XL Stella Bionic Jacket Featuring a catalytic converter toExtremely lightweight, durable and flexible protector constructed from a breathable stretch mesh for a comfortable, close fit Elasticated top strap for a customizable fit Highly convenient and time saving slip design with elasticated hems and silicon printing to prevent slippage and to help keep the protector securely positioned Nucleon Flex Technology protectors are highly perforated and secured on the outside of the sleeve for excellent