8mm bolts for use on traditional frames with integrated clamps.Fixed side has a "key" to lock into frame notch to prevent spinning whilst tightening, and, additionally features a 5mm Hex broach - in case the key/notch fail to hold the torque.Cr-Mo steel,8mm outer diameter,Keyed for frame notch,Double end 5mm Allen key broached,Chrome Plate,Available in 19, 22 or 25mm lengths (minimum internal clamping size).
Cannondale 2019 generation SystemSix aero seat binder kit. Kit includes all hardware including modified kit for size 47cm frames. Cannondale recommends regular maintenance for a long trouble-free life on integrated seat binders.