DT Swiss 6902 Bearing: Sinc Ceramic 28mm OD 15mm ID 7mm Wide CheckoutTitle=Ritchey Comp Headset 11 butted technology with 3

11 butted technology with 3 wall thicknesses for a superior strength to weight ratio

Model Rocket Ron Size 27

180 mm rotor Rear Two-piston

Designed to reduce high-frequency oscillation of the bicycle steering assembly known as speed wobble

Even height of traction surfaces minimizes lost rolling resistance

DT Swiss 6902 Bearing: Sinc Ceramic 28mm OD 15mm ID 7mm Wide CheckoutTitle=Ritchey Comp Headset 11 butted technology with 3DT Swiss Sinc Ceramic cartridge bearings. The black dust cover is intended to be installed facing the hub and the tan seal is intended to face externally Bearing I. D. (mm) 15 Manufacturer Number 6902 Bearing O. D. (mm) 28 Material Ceramic Thickness 7 Outer Diameter 28Mm Inner Diameter 15Mm