The front and rear-specific inner rim widths are optimised to run wider tyres up front and narrower tyres in the rear

These are lightweight XC rims with an internal width of 19

One oversized spindle that will work across every bottom bracket standard

Low friction polyamide construction high abrasion resistance

it will also perform well with any other Box Prime 9 components

Wolf Tooth T25 Torx L-Wrench PDP|PLP|Brake Rotor Type The front and rear-specific innerThis is the wrench size needed to remove install the SRAM GXP direct mount spiders and chainrings. It can be difficult to properly engage a socket into these bolts since the crank spindle is very close to the bolts. This high quality wrench makes the job easy and reduces the chances of stripping out the bolt head. 4"" long x 1"" high Made in the USA by Bondhus