ALPINESTARS SMX+ Vented Boots - Black - US 9.5 / EU 44 2221119-10-44 XC1 Guard Vest Stretch fabric on the back

Stretch fabric on the back hand for enhanced freedom of movement

High-tension steel spring

2018–2020 RS1

What happens when you use a softer metal is the spacer will crush on to the bearing

Metal mounting kit reduces vibrations for application on motorcycles that require dedicated assemblies

ALPINESTARS SMX+ Vented Boots - Black - US 9.5 / EU 44 2221119-10-44 XC1 Guard Vest Stretch fabric on the backThe SMX Plus v2 Boot perfectly blends sleek sports styling with advanced protection features developed in Alpinestars performance footwear department. The durable and light microfiber upper is reinforced with a rugged polymer protector and the exclusive Multi Link Control (MLC) system prevents ankle torsion while offering freedom of movement. Advanced microfiber upper construction for lightweight high performance protection and superb levels of