DUB, without chainring, spider and bottom bracket set Hollow carbon cranks, 8-hole mounting for the crank star, incl. 8 six-point star profile T20 bolts Only in combination with SRAM XX1 Eagle Powermeter crank stars: 49 mm chainline (0.833.671/1) 52/55 mm chainline Boost (0.833.672/9) "XX1 Eagle cranksetThe products of the "XX1 Eagle" groupset are the best that SRAM has to offer in the field of mountain bikes. They combine absolute shifting perfection and light weight with innovative technology and an irresistible look. The crankset consists of a crank star and a bottom bracket and can only be combined with the SRAM "XX1 Eagle" Crank stars - 49 mm chainline or 52 mm chainline Booster. The arms are made of carbon to minimize weight and maximize stiffness T20 for mounting the crank star. Number of chainrings none Crank length 165.00 mm Main color black Bottom bracket DUB Type/type Item Variation crank arm set