ALPINESTARS SMX-6 v2 Drystar® Boots - Black - US 4 / EU 37 2243017-10-37 2-into-1 Assault Exhaust System Works with stock and most

Works with stock and most aftermarket calipers

stabilized zinc phosphate coating and finally finished with black electrostatic powder coat to prevent it from the elemental degradation

New replaceable heel plate slider design offers increased sliding performance and protection in the case of crash

The shorter than stock lower stacks feed the R1’s appetite for big air when the upper stacks raise improving top end power

Feature a longer midsection for noise-conscious riders and more noticeable over-rev 6061 T-6 brushed aluminum housing 304 stainless steel intake tube Double-walled mounting brackets FIM-approved 304 stainless steel end cap Steel Allen-head screws for rebuilding/repacking Exclusive E-glass pillow packing

ALPINESTARS SMX-6 v2 Drystar® Boots - Black - US 4 / EU 37 2243017-10-37 2-into-1 Assault Exhaust System Works with stock and mostBoot upper incorporates an innovative front and rear bellows and rear calf zone for higher levels of flexibility Boot upper is constructed from microfiber for durability and abrasion resistance Ergonomic forefoot streamlining enables greater control of the bike's controls and provides a superior, wide ranging foot profile for excellent fit and comfort Alpinestars innovative TPU lateral ankle brace provides a biomechanical support between the lateral