This will convert your hubs to allow you to run Shimano 12-speed cassettes without having to go for a whole new hub or upgrade your wheelset

Quietly and quickly shift across our 12-speed cassettes with 44T large cogs

Collars are basically just a installation aid

It's simple and easy to use and will help you to quickly set up your fancy new derailleur

Oakley Elements 2.0 Shell Jacket - S - Blackout PLP|EMTB Optimised This will convert your hubsCosy, breathable warmth. Four way stretch for the perfect fit. Plus a drop tail hem with silicone grip for stay put comfort from mile one to 100. The men's Clima Pro Thermal LS Jersey is all about performance ready technology: An inner mesh collar adds airflow and protection at the neck, while three covered back pockets with inner mesh fabric invite airflow at the back. Keep warmth where it counts with a zip guard and YKK autolock puller; pull down to