DT Swiss Ratchet Freehub Body - Shimano HG 11 Road Light Aluminum Sealed Bearing QR x 130/135 mm Kit w/ End Cap LxW (mm)-250x145 The ergonomic form is supported

The ergonomic form is supported with gel and foam padding and dampening inserts to maximize comfort soften road vibrations and decrease pressure on soft tissue areas

For use with uncoated aluminum rims

Durable fiber reinforced Composite Matrix construction

With the GR 1600 you definitely are

Length 20mm Description T25 Flat Mount Bolt Set Color Black Package 12/Count

DT Swiss Ratchet Freehub Body - Shimano HG 11 Road Light Aluminum Sealed Bearing QR x 130/135 mm Kit w/ End Cap LxW (mm)-250x145 The ergonomic form is supportedRatchet freehub bodies have a gloss finish and don't have a seal as this is fixed on the hub shell. The Ratchet System was the first of this type for DT Swiss; used in the mid range products like the 350 hubs. Rear Axle Type Standard QR Rear Hub Spacing (mm) 130 135 Cassette Body Type Shimano HG 11 12 Speed Road Material Aluminum