SRAM Red E1 XPLR DUB Wide Crank Arms - 68-73mm and BB86-92 - 28.99mm DUB - SRAM Direct Mount - 155mm - Black PDP|Colour Shimano chainring 40T and 42T

Shimano chainring 40T and 42T for FC-RX820-1

Each key has a ball end for a speedy unscrew and a hex end for tightening and untightening the bolts

ADDED FEATURES - Ball / bladder heads

and two large front grill vents direct fresh air to the rider's forehead to enhance cooling and help reduce eyewear from fogging

SRAM Red E1 XPLR DUB Wide Crank Arms - 68-73mm and BB86-92 - 28.99mm DUB - SRAM Direct Mount - 155mm - Black PDP|Colour Shimano chainring 40T and 42TSRAM are not ones to rest on their laurels. So when they found ways to make their lightest and stiffest crankarms even lighter, SRAM went for it. A new process drops further grams from their hollow carbon crank arms, and to stay on top of current fit trends they have added their first carbon 160mm crankarm length option. Features 29 g lighter than the previous generation 8 bolt interface compatible with powermeter and non powermeter AXS crank spiders