Ritchey Classic C220 Threadless Alloy Road Stem 6d Black 130mm x 31.8mm Material: 3d forged 2014 alloy body 4 x 4mm coated CrMo steel forward-facing faceplate bolts 2 x 4mm coated CrMo steel offset steer tube clamp bolts 5Nm torque max on all hardware, 121g (110mm) Steerer Height: 42mm Steerer: 1-1/8in Faceplate Width: 42mm