ALPINESTARS Tech 10 Boots - Red - US 12 2010020-30-12 Nucleon KR-Cell Back Protection Insert Low V-neck collar design for

Low V-neck collar design for ease of entry and comfort

Kit includes two bearings and seals when necessary

Lower the exhaust port to the optimum height

Direct replacement crown pad for Alpinestars SM5 helmets

rumbling exhaust note that won't have the neighbors up in arms

ALPINESTARS Tech 10 Boots - Red - US 12 2010020-30-12 Nucleon KR-Cell Back Protection Insert Low V-neck collar design forCombines dual front and rear blade connectors Provides a complete and seamless flexion control system, from the foot shell all the way up to the shin plate Engineered to 'float' freely between the lower and upper boot construction Asymmetrical, dual pivot arms on boot frame A unique feature is the ankle control system developed in the outer shell construction, allowing natural ankle movement, vertical compression control and improved impact protection