Helix R Cluster (12-Speed) Attribute 1:Eggplant, Direct Mount mechanical rim brake

Direct Mount mechanical rim brake designed to be mounted on the fork or seatstays

Compatible with Shimano 8 and 9-speed mountain and road systems

Marin 2000 Bobcat Trail

Interlocking 4 bolt bar clamp secures your bar and distributes loads away from bolts and into the body

Helix R Cluster (12-Speed) Attribute 1:Eggplant, Direct Mount mechanical rim brakeHelix R Clusters can be used to service e*thirteen Helix R cassettes. FEATURES: Designed to pair with steel cog cluster to create a 9 50t cassette Helix R 12 speed clusters are backward compatible with and can be used to upgrade an existing TRS+ 9 50 cassette SPECS: Material: Aluminum Cassette Body Type: SRAM XD 11 12 Speed Tooth Count: 42 50 Drivetrain Speeds: 12