Stems

- 3D forged 2014 aluminum alloy with oversized box cross-section - Oversize 46mm wide 6061 alloy faceplate - Steel hardware - ± 8° rise requires fewer spacers - 1-1/8" steerer adapter included

- 3D forged 2014 aluminum alloy with oversized box cross-section - Oversize 46mm wide 6061 alloy faceplate - Steel hardware - 1-1/8" steerer adapter included

Run your favorite 31.8mm clamping diameter handlebar on a bike with Knock Block with the Rhythm Comp 31.8. It adds Knock Block compatibility to a durable stem with multiple lengths to let you fine-tune the fit to your ride. Get 31.8mm handlebar compatibility with your Knock Block system;Also compatible with standard headsets and spacers;Knock Block system protects frame from impacts by fork and handlebars by eliminating over-rotation of bars;Available in a wide range of sizes for today's mountain rider;See Service Parts for other Knock Block parts;

- Forged alloy construction - Adjusts from 0 to +/- 60° - 31.8mm, shims included to fit 25.4mm handlebar

Made for round 1 1/8 inch steerer tubes, the Contact AeroLight is a lightweight stem that offers easy-to-adjust integrated cable routing for drop or flat bar bikes. FEATURES: - Made for round 1 1/8 inch steerer tubes. - 31.8mm round clamp fits drop and flat handlebars. - Integrated aero design unifies the top cap, cables, and spacers with the head tube for improved aerodynamics. - Premium alloy design delivers maximum stiffness and is lightweight. - Easy cable management guides cables under the handlebar and into the side and underside of the stem for optimized aerodynamics and a clean look. - Available in eight lengths from 80mm to 140mm. SPECIFICATIONS: - Weight: 190g (100mm) - Length: 70/80/90/100/110/120/130/140mm - Angle: -10° - Bar Clamp Diameter: 31.8mm - Steerer Tube Clamp Diameter: Round, 1 1/8 inch - Stack Height: 40mm

- 3D forged, 6061 aluminum alloy body with oversize box cross-section - Oversized 52mm wide 6061 alloy faceplate - 35mm handlebar clamp diameter - Not OD2, regular 1-1/8"

- Giant's advanced alloy manufacturing process for a 35mm clamp diameter with maximized strength at minimal weight. - Not OD2, regular 1-1/8".