DT Swiss 180 EXP Rear Hub - 12 x 148mm Center-Lock XD BLK 28H Straight Pull 36pt MPFN-6463182 These are alloy bolts with

These are alloy bolts with 4mm hex heads and 10mm length

Ritchey recommends using Liquid Torque on clamping surfaces of lightweight components

34 spoke nipples from DT Swiss

DT Swiss Sinc Ceramic cartridge bearings

DT Swiss 180 EXP Rear Hub - 12 x 148mm Center-Lock XD BLK 28H Straight Pull 36pt MPFN-6463182 These are alloy bolts withDT Swiss 180 EXP Rear Hub 12 x 148mm Center Lock XD Black 28H Straight Pull 36pt. Lighter stiffer more precise and easier to maintain the strengths of the 180 hub are further enhanced with the new Ratchet EXP technology. The ultra reliable freehub system transfers the highest pedaling loads resulting in direct power transmission. Smooth running SINC Ceramic bearings bring the decisive advantage with their extremely low rolling resistance. TECH SPECS