ALPINESTARS Hurricane Rain Jacket - Yellow/Black - Large 3204617-551-L Clutch Assembly Refresh Kit TR-4 valve stems

TR-4 valve stems

Specifically designed to fit under the stock or aftermarket primary/derby covers and increase the capacity of your stock clutch by using stainless steel weighted arms that progressively increase pressure to the clutch as rpm increases

for those who think loud just isn't good enough Start as round 4" tubes

With unsurpassed levels of internal climate control thanks to the extensive mesh paneling on the torso

Internal protective toe-box and heel counter are positioned under the microfiber outer chassis

ALPINESTARS Hurricane Rain Jacket - Yellow/Black - Large 3204617-551-L Clutch Assembly Refresh Kit TR-4 valve stemsConstructed from ultra lightweight Polyurethane (PU) coated 100% waterproof poly nylon fabric that has been specially treated to avoid sticking when worn over textile or leather garments. All seams are tape sealed for guaranteed waterproofing performance. Light poly mesh lining improved internal air circulation and comfort. Reflective detailing improves visibility of rider in poor weather conditions. Comes with convenient storage transport bag to