Alternator Racks are the perfect solution for Salsa bicycles equipped with the Alternator dropout system. Load up your bags and gear, get off the beaten track, and start exploring! Specs: Disc Brake Compatible Yes Weight Limit (lbs) 59.5lbs Material Aluminum Requires Eyelets Yes Platform Dimensions 12.5 x 5.3" keyword search Fat Bike Maximum Wheel Size (in) 26 Fat Tube Diameter 10mm Color Black See Also: RK8018, RK8030, RK8031, RK8032