24mm and 24mm-22mm GXP requires a 16 notch 44mm external bottom bracket tool

Vendor: SR115018021004

and a sealed ball bearing

CE tested and certified as impact protection:Knee EN1621-2

Fits standard derailleur hangers only

RockShox SID SL Ultimate Race Day Fork - 29 Inch - 1 1/8th - 1.5 Inch Tapered - 15x110mm Boost - 110mm Travel - 44mm - Charger Race Day 2 - 2 Position Remote - Gloss Black Heavy/Bulky 24mm and 24mm-22mm GXP requiresSince its debut in 1998, SID"Superlight Integrated Design"has set the standard for XC performance, and today's SID SL takes that legacy to the next level. Engineered to be feather light without sacrificing control, this race focused fork is precision crafted for elite performance on the most demanding XC courses. And with its latest upgrades, SID SL continues to redefine what's possible. They took the foundation of a World Cup legend and elevated it