A perfect balance between engineering and design. The perfect choice also for bike fitters helping cyclists to find the best position on the bike. The Zero2 stem is suitable for high performance bikes at an affordable price - 3D forged and machined 6061 aluminum construction - Stainless steel hardware with removable, 2-piece, 4-bolt aluminum faceplate - Steerer Diameter: 1 1/8" - Bar Diameter: 31.7mm - Rise: +/-7 deg - Weight: 140g. (110mm)