<!--ProdInc[300299707]/Mall:[backcountry_US]-->Shimano’s sleek redesign for the Ultegra SM-BBR60 Bottom Bracket is lighter and faster than before, making it the ideal choice for either your English- or Italian-threaded frame. The new SM-BBR60 is close to 15 grams lighter than its predecessor, and the new design has reduced rotational friction by roughly 50%. This new silky-smooth ride is courtesy of steel bearings and Shimano’s advanced sealing technologies. <h3>Details</h3> Around 15 grams lighter than previous version Reduced rotational friction by roughly 50% Steel bearings with Shimano’s advanced sealing technologies Compatible with English or Italian threads Item #SHI000M <h3>Tech Specs</h3> Material : [cups] aluminum, [bearings] steel Shell Type : external Shell Width : 68 mm, 70 mm Threading : English, Italian Claimed Weight : 2.7oz (76g) Manufacturer Warranty : 2 Years