E-Thirteen Helix 12 Speed Race Cassette - XD Driver - Purple - 9-50T - 12 Speed Heavy/Bulky 649 710845808272 Bluto A1 -

649 710845808272 Bluto A1 - 2015-2018 - Full Service 11

Who's this item for: Riders who own a Cane Creek headset and need a replacement bearing for it

The technical stretch ripstop fabric ensures maximum performance and superior durability

Dimensions and Weight: The dimensions are unknown but it weight roughly 35-grams

Cons: Medium and Wide widths only so riders with narrower sit bones will need to look elsewhere

E-Thirteen Helix 12 Speed Race Cassette - XD Driver - Purple - 9-50T - 12 Speed Heavy/Bulky 649 710845808272 Bluto A1 -The HELIX R Cassette is an upgrade to any SRAM Eagle or Shimano drivetrain, with more range than any other cassette on the market. The 9 tooth cog lets you step down one chainring size while keeping the same top end gearing and provides not only better ground clearance but an overall lighter drivetrain. The improved tooth profile of the Helix cassette's features Shimano 12 speed level shifting performance with the improved reliability of a steel and