Profile AC-2 Race Front Hub

Product Description

Overview “AC-2” = Dual Angular Contact. This describes the use of both angular contact bearings & angled bearing cups/hub bores used in the hub design. The AC-2 hub features revolutionary bearing installation & function never seen before in a bicycle hub. It has been designed from the ground up for ease of maintenance & optimal bearing performance. Here are a few key points of the AC-2 BMX Front Hub: -The AC-2 hubs use 20mm Angular Contact bearings with a wave spring pre-load. Bearings are pressed into tapered cups that mate with the angled bores machined into the hub shell. This design feature allows bearing/cup to be easily installed & removed from hub shell without any special tools. No more presses or hammers needed! Another attribute of the tapered bearing cup/angled hub shell bore design is how the bearings seat in the hub. The bearings/cups on each side of the hub shell are in perfect alignment with each other! This ensures superior bearing performance & less chance of premature wear. -Hub shell literally “floats” on the axle. The only force on the bearings is supplied by the wave spring (which delivers the appropriate bearing pre-load needed for angular contact bearings). Tightening of axle bolts has absolutely no affect on the bearings! -The bearings, wave spring, & shim (s) are secured on the axle by one retaining ring. The only tool used to assemble/disassemble the AC-2 hub is a pair of snap ring pliers! section Product Specs AXLE

Size: Females Bolts SPOKE HOLES: 36h BEARINGS: Steel 20mm angular contact WEIGHT: 245g / 8.64oz