RENTHAL Sprocket - Rear - 50 Tooth 150U-520-50GBSI Bionic Action V2 Protection Jacket Zippered air intakes are strategically

Zippered air intakes are strategically positioned for optimized airflow when opened

super lightweight track and race chest protector featuring the Nucleon Cell technology The double-layered chest shell plate is constructed from a high performance polymeric material blend for optimized flexibility and excellent weight saving properties

Tech-Air® Ready An engineered sports body mapped fit and pre-curved sleeves for optimal riding performance

Blend of stainless steel and silicone to increase levels of protection

RENTHAL Sprocket - Rear - 50 Tooth 150U-520-50GBSI Bionic Action V2 Protection Jacket Zippered air intakes are strategicallyCNC machined from a specially enhanced 7075 T6 aluminum alloy Machined self cleaning mud grooves at each tooth to help prevent mud buildup and increase wear resistance Ultralight design is 66% lighter than steel, yet incredibly durable