Box Two Prime 9 Speed X-Wide Groupset - Multi Shift - 11-50T - 9 Speed Replace Images These rings fit any 120

These rings fit any 120 BCD crankset or 4-bolt spider

With Blackburn's AnyValve pump head you don't need to fuss around with switching out the grommets

Lower Leg Bypass Channels: Helps alleviate excessive pressure ramping at end stroke by dramatically increasing air volume within the lower legs

heavy-duty bike degreaser

5 x 20mm and it weighs 168grams

Box Two Prime 9 Speed X-Wide Groupset - Multi Shift - 11-50T - 9 Speed Replace Images These rings fit any 120The Prime 9 range of components from Box has made many people rethink what a 9 speed drivetrain is capable of. Box Two is their most durable drivetrain that offers excellent performance, durability, and a competitive weight at a wallet friendly price point. Who's this item for: This is for riders looking for all the same range as a 12 speed setup with the simplicity and weight savings of a 9 speed setup. 9 speeds are great for All Mountain style