ZTTO Bicyle Ceramic Bottom Brackets BSA30 BSA 68mm 73 MTB Road Bike External Bearing BB for BB386 30mm MTB Crankset

ZTTO BSA30 EXTERNAL BEARING BOTTOM BRACKETS Each of ZTTO bottom bracket are manufactured for best performance and longest durability.Matching top quality components and know-how, we make sure that every bottom bracket empowers every rider with opportunities to save energy or ride faster. Weight :About 93g Crankset: For φ30/30mm BB386 crankset Bicycle Frame: For 68mm/73mm φ34.798mm 1.37 in x 24 TPI Frame Shell Since the BSA30 cup is larger than other BB, it requires special tool, we strongly recommend buying tool together TOOL: BSA/ITA 30 TOOL 48.5MM,12-notch Note *Color: Due to the light or display difference, the color of the product you received might be a little difference from the pictures. That is not a quality issue. *Size & Weight: Due to the measure error or insrumental error, the weight and size of the product might have a minor difference to the discription. That is not a quality issue too. *Service: We are professional bike mechanics and good at English, so if you have any problem when you set up your products, please feel free to contact us. If you need a large amout of products, please contact us too. We will give you a discount. Don't jump ti a bad review, before you want to do that, just contact us and i think we will find a way to solve the problem.