SRAM Rival 1x XPLR Wide Crank Arm Assembly - 175mm 12/13-Speed 8-Bolt Direct Mount DUB Spindle BLK E1 Color-Polished Black It can be used alone

It can be used alone as a race wax when the air humidity is low or combined with other waxes to add durability and "cool them down"

The old NIS system provided a large range of binding adjustment

The Bel-Air V3 profile is constructed with a free float comfort flex rail inserts allowing more forgiveness at the wings along with a new hidden cut-out relief to further maximize comfort

Material Brass Ferrule Diameter 5mm

The three neatly nest together using magnets and clever machining for compact storage

SRAM Rival 1x XPLR Wide Crank Arm Assembly - 175mm 12/13-Speed 8-Bolt Direct Mount DUB Spindle BLK E1 Color-Polished Black It can be used aloneSRAM Rival 1x XPLR Wide Crank Arm Assembly 175mm 12 13 Speed 8 Bolt Direct Mount DUB Spindle Black E1. SRAM has taken aluminum to another level. Careful engineering has resulted in crankarms that optimize stiffness to weight ratio with material only where its needed8 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