Check the listing for details. ROTOR Press Fit 4130 Bottom Bracket. Steel. Color: Black, Condition: New. Listed at 50.00 USD. ROTOR Press Fit 4130 Bottom BracketThe ROTOR Press Fit 4130 Bottom Bracket adapts a 41 mm diameter bottom bracket shell to fit a 30 mm diameter crank spindle. This makes it compatible with BB86, BB89 and BB92 bottom brackets. The ROTOR PF 4130 BB features dual track bearings with a machined outside bearing. CompatibilityShell: Compatible with PressFit 86/89/92 mm road and MTB shellsCrankset: Fits 30 mm cranks SpecsShell Width: 86.5/89/92 mmType: BB86/BB92 PressfitAxle Size: 30 mmWeight: 54 gramsBearings: Dual track bearings. Machined outside bearing 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.