ALPINESTARS Radon Drystar® Boots - Black - US 10.5 / EU 45 2441518-10-45 M1 RM/RMZ Bolt Kit Provides smoother shifting and more

Provides smoother shifting and more progressive engagement

Seamless dual density knuckle for effective impact protection

along with more aggressive head pipe taper and machined joints for a perfect fit

Lower reciprocating weight allows for quicker engine response

Completely conform to the case

ALPINESTARS Radon Drystar® Boots - Black - US 10.5 / EU 45 2441518-10-45 M1 RM/RMZ Bolt Kit Provides smoother shifting and moreMain upper is made of advanced microfibers for durability and long lasting comfort Incorporates ergonomic toe box construction for improved compatibility with the motorcycle controls and a superior, wide ranging foot profile for superior fit and comfort Internal heel counter and toe box for enhanced structural rigidity TPU shin plate and shift pad offer support and resistance to impacts TPR design on lateral toe gives more flexibility and resistance