SRAM Rival 1x XPLR Wide Crank Arm Assembly - 170mm, 12/13-Speed, 8-Bolt Direct Mount, DUB Spindle, Black, E1 Shifter Parts (Electronic) Jagwire 1x Pro Shift kits

Jagwire 1x Pro Shift kits deliver enhanced performance and style to any bike with a single-chainring drivetrain

UPC: 689228925809

- Machined aluminum body

Update: Dec 2025

and two lower link bearings

SRAM Rival 1x XPLR Wide Crank Arm Assembly - 170mm, 12/13-Speed, 8-Bolt Direct Mount, DUB Spindle, Black, E1 Shifter Parts (Electronic) Jagwire 1x Pro Shift kitsSRAM has taken aluminum to another level. Careful engineering has resulted in crankarms that optimize stiffness to weight ratio, with material only where its needed 8 bolt interface compatible with power and non power AXS spiders and integrated chainrings (Chainring and spider sold separately) DUB bottom bracket adds durability and simplicity (Bottom bracket sold separately) Aluminum arms optimized for stiffness and light weight 150mm Q factor 47. 5mm