All Balls Racing - Wheel Bearing & Seal Kit (25-1753) Options:(25-1753) Included: Bobbin lifting forks (rear)

Included: Bobbin lifting forks (rear)

USB port convenient to recharge a cellphone

Relocated center/forehead vent is equipped with an additional air intake hole for greater airflow into the helmet

closing off filter pores and reducing flow

All Balls Racing - Wheel Bearing & Seal Kit (25-1753) Options:(25-1753) Included: Bobbin lifting forks (rear)All Balls high speed bearings are manufactured to ABEC 3 precision levels. Triple lip rubber seals keep the grease in and the water and dirt out. Chevron SRI 2 grease contains rust and oxidation inhibitors ( 29 C 177 C). Double lip type TC seals with stainless steel garter springs.