They install with 2 x standard 44mm external bottom bracket tools

We recommend this item for riders who are using the GC extender cog with their Shimano 10-speed drivetrains

inner and outer ends and the barrel bolt to clamp the cable at the post

The crystals inside the sealant also help to plug larger holes

Your size may be different compared to other helmets (even the A1 and A2) so don't rely on what size your last helmet was

Unior Fork Seal Driver Tool V2 - 34mm Gift Voucher They install with 2 xThe only way to press in your new seals! Don't damage your new seals or fork. The Unior Seal Driver V2 is made from durable plastic and is designed to prevent expensive damage. Available in a wide range of common sizes, choose the model you need based on your fork's stanchion diameter. Who's this item for: Any professional or home mechanic looking to correctly and safely install new fork seals.