with 6mm front bolts and 5mm rear bolts

As you'd expect from a high end complete

This BB uses the finest bearings and is supplied with all hardware to fit BB shell widths from 68mm through 100mm

this makes it stronger and less prone to cracking

Stranger Quan Grips supplier_56217423053126 with 6mm front bolts andCaleb Quanbeck signature grips from Stranger. The Quan grip is available in either Kraton or a super durable silicone compound. Available in 165mm long and features a flangeless reversible pattern. ###section### Product Specs DIAMETER: 30mm LENGTH: 165mm PACK SIZE: 2 (Pair) ###section### Product Specs DIAMETER: 30mm LENGTH: 165mm PACK SIZE: 2 (Pair)