Trelleborg main seal + 3 additional internal seals in addition to Wintek cartridge make for the industrys most reliable system
with a carrying handle for parents
Stem Angle (deg) +6 Stem Angle (deg) -6 Length 80 Bar Clamp Diameter (mm) 31
Oversize bearings ensure smooth running under extreme conditions
Engineered to attach to metal surfaces and break free oils
Specialized S-Works sl stem w/ expander plug polish black 31.8mm x 90mm 17 degree CheckoutSpec= Dual Position Air/Motion Control DNA for 2012 Revelation New (Dual Wing Adjuster Knob) Trelleborg main seal + 3The 3D forged and CNC machined S Works SL stem is sleek, stiff, lightweight, and strong. It comes in six different length options, features a six degree rise, and weighs 110 115g in its 110mm option. 3D forged and CNC machined, 7075 aluminum road stem . Clamp Diameter: 31. 8mm Clamp Height: 40mm Includes expander plug for carbon steerer tubes and titanium hardware. Lengths: 70, 80, 90, 100, 110, 120, 130mm Rise: 6, 12, or 17 degree rise Steerer Tube: