8mm allens

the Deore XT M8000 11-speed rear derailleur is designed to reign authority over today's aggressive style of trail and all-mountain riding

If you're looking for an affordable 10-speed derailleur

they are able to be used on many brake systems

Blackburn Multi Tool Big Switch Wrap eBay 8mm allensWith a different approach to your standard multi tool platform, the Blackburn Multi Tool Big Switch Wrap allows for easy flat packing into a frame strap or saddle bag, as well as extra leverage force from it's long handled design. The brilliance behind this is the wrap which will allow you to carry a spare tube, up to a 20g CO2 cartridge, and a tyre lever as well. This allows for quick access to the essentials so you can be back up and running quickly