Bontrager Comp +\/- 7 black stem

The Bontrager Comp 31.8 stem is compatible with Blendr and offers a secure connection for 31.8 hangers for road, city and mountain bikes.Details:6061-T6 cast iron constructionNecklace hanger 2 bands 4 screws: + rigidity, – weightClamp two opposing screws with anti-corrosion M5 steel screwsSeamless integration of accessories with BlendrCompatible with Blender Elite bases and Blender fixturesAdapted for use on road, city and mountain bikesSafe use on steering tubes and carbon hangersWeight:142g in 60mm154g in 70mm168g in 80mm183g in 90mm199g in 100mm