e*thirteen Helix e*spec Crank Arm Set - 160mm BOSCH Gen4-Brose S Mag-TQ HPR50 Self Extractor BLK ID Width-23 This bottom bracket fits a

This bottom bracket fits a Sram DUB crank set on a traditional BSA threaded frame

Brake Caliper Type Post Mount Brake Lever Actuation Short Pull Defined Color Black Hydraulic Fluid Type Mineral Oil Rotor Included No Weight 205

Thick-Thin tooth design for maximum chain engagement

Chainring BCD 110 Color Black Defined Color Black Drivetrain Speeds 11 Material Aluminum Ring Position/Type Chain Retaining Single Ring Tooth Count 42

It's equally suited to cruising commuting and singletrack

e*thirteen Helix e*spec Crank Arm Set - 160mm BOSCH Gen4-Brose S Mag-TQ HPR50 Self Extractor BLK ID Width-23 This bottom bracket fits ae*thirteen Helix e*spec Crank Arm Set 160mm BOSCH Gen4 Brose S Mag TQ HPR50 with Self Extractor Black. Helix Core cranks provide an e bike drivetrain upgrade with high end features and aesthetics at an exceptional value. Forged for e Enduro strength with alloy self extractor bolts pedal washers and molded impact boots. 24mm ISIS interface models are compatible with Bosch Gen 4 Brose S Mag TQ Fazua Yamaha Maxon and Specialized Brose motor systems.