BOX Two Prime 9 Cassette - 9-Speed 11-50t Black MFPN=1-PK-TLRVL80-V211 type 6 and 7 bleed

type 6 and 7 bleed blocks

Stumpjumper FSR Carbon (2016)

In order to minimize weight and reduce rolling resistance the Pro One TT runs without a puncture guard

55mm Boost chainline

BOX Two Prime 9 Cassette - 9-Speed 11-50t Black MFPN=1-PK-TLRVL80-V211 type 6 and 7 bleedPrime 9 Technology offers fewer gears with wider spacing to ease set up, provide a better chainline, and result in less wear and tear Ultra wide ratio with consistent progression Fits HG splined Shimano SRAM 8 10sp freehubs Box One features durable unibody construction with a lightweight internal support disc and black chrome plated protection Box Two features hardened steel cogs pinned to aluminum spiders and an ED black finish Box Three features