The ultimate weight-saving upgrade. - The kit includes: 1 pair titanium spindles + refresh kit (Enduro cartridge bearings, Igus ll-glide bearings, DSS double seal system: internal and external seals, hex alloy end caps, o-rings, nuts, sleeve bushings, & bearing removal tool). - Compatible with: Eggbeater, Candy, Mallet, 5050, Double Shot, model years 2010-present - Weight: 60g per pair - Spindle material: 6al/4v titanium - Max. rider weight: 200lb/90kg - Q-factor: 52 mm