Thanks to the proven freehub Ratchet System, the 350 hub is a dependable partner for every adventure. The 36 tooth ratchets ensure direct power transmission. The sophisticated yet simple construction of the hub allows a low weight while providing outstanding rolling performance. Furthermore, it enables cyclists not only to maintain their freehub system without special tools, but also to convert to the various standards. The intention behind the 350 was to create a dependable hub that supports cyclists in their independence. Patented Star-Ratchet system Contact-free seals and high precision build guarantee smooth bearings Press-fit end caps allow tool-free maintenance and conversion Skewer Included: No Hub Drilling: 28 Bearing Type: Sealed Cartridge Rear Axle: QR x 135mm Center to Flange, Right: 20.2 Color: Black Hub/Brake Compatibility: Center-Lock Disc Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed , Shimano Dynasys 11 Speed Mountain Spoke Interface: J-Bend Center to Flange, Left: 33 Flange Diameter, Right: 46 Defined Color: Black Flange Diameter, Left: 46 Weight: 271