Helix R e*spec AL Crank Arm Set - 155mm BOSCH Gen4-Brose S Mag-TQ HPR50 Self Extractor Bronze CheckoutTitle=SRAM NX Eagle Trigger Shifter Rings 30 Defined Color Black Size:38 210000173234 MFPN=55050007036 Closure Single SLW3 Dial

Helix R e*spec AL Crank Arm Set 155mm BOSCH Gen4 Brose S Mag TQ HPR50 Self Extractor Bronze CheckoutTitle=SRAM NX Eagle Trigger Shifter Rings 30 Defined Color Black Size:38 210000173234 MFPN=55050007036 Closure Single SLW3 Dial Rings 30 Defined Color Black Spindle Interface Type SRAM DUB Chainring BCD Direct Mount SRAM Color Black Designed for ebike Yes Chainline Hub Compatibility 170 177 Hubs Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Number of Chainrings Chain Retaining Single Crank Intended Use Mountain Pedal Spindle 9 16" BB Included No Crank Length (mm) 170 Small steerer mounted rack for small or rolled bike packing items like sleeping bags additional clothes or other items