This innovative smart stem lets you pre assemble the handlebar and stem together with the new clp alloycarbon faceplate to keep both hands free for assembling the bolts 3d forged and cnc machined high strength 7050 premium aluminium roadmtb compatible stem c clip carbonalloy faceplate 4 bolt oversized 318mm equipped with alloy top cap and 4 degree 2 degree and 0 degree cnc alloy shims available in 4 degree 12 degree and 17 degree angles 4 degree 10 position angle range 4 degree t