All Balls Racing - Wheel Bearing & Seal Kit (25-1701) Options:(25-1701) 3 mm thickA new geometry

3 mm thickA new geometry made it possible to lower the Nerf Bar by about 15 mm compared to other Crosspro models

It's 15mm axle fits most modern street and dirt bikes and many mini-bikes

The outer shell is constructed of a strong polyester 600D fabric with SEESMART CE-level 1 protectors at the knees

There will be some drag while tightening the insert

All Balls Racing - Wheel Bearing & Seal Kit (25-1701) Options:(25-1701) 3 mm thickA new geometryAll 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.