ALPINESTARS Tech 10 Boots - Black/Red/Orange/White - US 9 2010020-1332-9 Pro Chamber Headpipes for Trikes O² sensor ports

O² sensor ports

while reducing overall weight for optimized handling of the whole motorcycle

"The EVR or Exhaust Valve Type R is and electronically controlled valve that improves drivability at small throttle and low RPM ranges where it matters most to the rider

Thumb patch reinforcement for durability

Optimally designed to compliment performance of FMF pipes

ALPINESTARS Tech 10 Boots - Black/Red/Orange/White - US 9 2010020-1332-9 Pro Chamber Headpipes for Trikes O² sensor portsCombines 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