The bontrager race lite 4 bolt 7degree 318mm stem perfect to upgrade the stem on your road or mountain bike featuring a flip flop 7 degree rise 4 bolt face plate helps distribute clamping load on lightweight handlebars angled steerer tube clamp spreads clamping zone out on steerer and is carbon friendly opposing dual steerer clamp bolts are strategically positioned near the centre of the clamp evenly distributing clamping forces forged 6061 t6 aluminium body and faceplate when inst