SRAM Rival 1x XPLR Wide Crank Arm Assembly - 175mm 12/13-Speed 8-Bolt Direct Mount DUB Spindle BLK E1 Size-S These IS headsets are for

These IS headsets are for frames with molded-in internal bearing cups

} The portability of a hand pump with the convenience of a floor pump style fold-down foot pad

Chainline (approximate as BB centering and cranksets vary)

The rolling resistance of the slow wheels is increased using our patented ISR (internal speed reducer) that weighs only 10 grams

Top features: Gears

SRAM Rival 1x XPLR Wide Crank Arm Assembly - 175mm 12/13-Speed 8-Bolt Direct Mount DUB Spindle BLK E1 Size-S These IS headsets are forSRAM 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