Product Description The Profile Design Tri stem for various types of internal cable routing. The Tri stem from Profile Design is designed for road bikes with internal cable routing and cable entry through the headset or the top tube. Its front cap also allows compatible hydration systems to be fitted. The stem is made of aluminum and has a negative angle of 17.5 degrees. With a 1 1/8" steerer and 31.8 mm handlebar clamp, it is suitable for standard setups. Specifications: Application: Road, Triathlon & Time Trial Design: Ahead Steerer Clamp: 1 1/8" Stack Height (steerer tube): 37 mm Handlebar Clamp: 31.8 mm Clamping Width (handlebars): 40 mm Lengths: 80 mm, 105 mm Angle: -17.5° Technical Information: Material: aluminum (6061-T6) Features: road bike stem designed for internal cable routing HSF front plate for mounting compatible drinking systems top tube or headset cable entry possible 31.8 mm clamp for standard handlebars for a clean, uncomplicated cockpit made from 3D-forged aluminum matt black finish with black accents Manufacturer Numbers: 80 mm -17.5°: RST1758081 105 mm -17.5°: RST1751081 Contents: 1 x Profile Design Tri stem Order Together: Optional accessories: Aeria hydration system Weight: black | -18° | 80 mm: 225 g Manufacturer: Profile Design LLC 2677 Waiwai Loop Honolulu HI 96819 USA info@profile-design.com Distributor: GROFA Action Sports GmbH Otto-Hahn-Straße 17 65520 Bad Camberg Germany info@grofa.com