Check the listing for details. ROTOR T47 30MM Bottom Bracket. Condition: New. Listed at 70.00 USD. ROTOR T47 30MM Bottom BracketThe T47 bottom bracket shell is quickly becoming one of the most widely used standards by bicycle manufacturers and the ROTOR T47 30MM Bottom Bracket answers the call. Available in either steel or ceramic, these bottom bracket cups are precision-machined in ROTOR’s Spanish manufacturing facility. The bottom bracket works with both 68 mm road and 73 mm MTB shell widths. It features durable bearings, silicone shields, is smooth rolling and made to last.The outboard version uses external cups, measuring roughly 11.5 mm outboard on each side. The internal version uses internal cups in which the only outboard piece is the castellated flange, which measures roughly 1.7 mm on each side. CompatibilityShell: Compatible with T47 68 road and 73 mm MTB shellsCrankset: Fits 30 mm cranks SpecsShell Width: 68/73 mmShell Type: T47 ThreadedAxle Size: 30 mmWeight: Steel - 103 grams | Ceramic - 97 gramsBearings: Durable bearings for smooth action Why Buy from Power Meter City1. We ship fast! All orders ship on the same day your order is placed!2. Free shipping on all orders in the U.S.3. We are an authorized ROTOR dealer and this product comes with a full warranty.4. Expert advice and customer service in case you need any help.5. We offer a free, 30-day return policy on new items. About our CompanyAt Power Meter City, we focus on power meters and related accessories and components. Our focus on these products means we can offer you the best possible selection, advice and service.We have been in business since 2016 and are based in southern California. We are an authorized dealer of every product we sell.