This product is made up of two 7075 aluminum cups with hybrid sealed bearings (grade-3 ceramic balls and steel cage). Weight : 30mm 101g BSA 29(DUB) & 30mm : Supplied with a special tool to tighten your bottom bracket during the installation. Compatibilities A - Frame width : 68/73mm B - Internal shell diameter : 37mm C - Crankset Diameter : 30mm --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ABOUT NOVE RIDE: Nova Ride is a French company created in 2016 in Clermont-Ferrand, specializing in the design of high-end components for cycles via our design office. Born from both sporting and creative influences, our team of triathletes and cyclists from the SIGMA Clermont engineering school represents a common passion for cycling and design. We offer a wide range of products with a strong identity, from the design of our carbon cages to topological optimization as well as a wide choice of colors for your pulley wheels at all times. The selection of our materials and the people we work with are two very important points for us. Quality and know-how are essential. We proudly designed, engineered, assembled, verified, shipped all of our parts directly from our office in Cournon d'Auvergne near Clermont-Ferrand, France. Nova Ride is now present in more than 40 different countries around the world in 2022. One more thing that we are very proud of. In short, more than just a brand, Nova Ride is above all a group of cyclists who have designed their own high-end components with a goal to offering them at more competitive prices for riders and passionate people. The Nova Ride team. Can Whatsapp / Call . https://wa.me/60126960321 Vince . https://wa.me/60126105929 Shop . office 03-8060 8967 Operation Hour Monday to Saturday (10.30AM TO 7PM) *Sunday Close* ----------------------------------------------- SANTA CRUZ (VK CYCLES PUCHONG) Map - https://goo.gl/maps/8y79tAyzkEE2 (LOCATION) No 39, Jalan BP 7/2 , Bandar Bukit Puchong, 47100, Selangor , Puchong Facebook - https://www.facebook.com/SpecialistRepairBicycles/ Instagram - VK CYCLES buy on shopee: VK CYCLES PUCHONG https://shopee.com.my/product/78112047/23114890564/ buy on LAZADA: VK CYCLES PUCHONG https://www.lazada.com.my/products/i3383235370.html?spm=a1zawi.24863640.table_online_product.1.61a84edfJpfTP8