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