Discover the ultimate in cycling reliability and performance with our premium selection of Wheels Manufacturing BSA Bottom Brackets designed for 30mm spindle cranks. Crafted with high-quality materials and engineered for durability, these bottom brackets are perfect for riders seeking smooth, efficient power transfer in their road, mountain, or gravel bikes. Featuring advanced sealed bearing technologyEnduro ABEC-3 for the standard model and ABEC-5 Angular Contact for enhanced load handlingthese components ensure long-lasting performance even under demanding riding conditions. Constructed from precision-machined aluminum cups with a durable anodized finish, these bottom brackets provide a lightweight yet robust solution compatible with 68-73mm English (BSA) threaded frames. The fully serviceable bearings facilitate easy maintenance and extended lifespan, making them an ideal choice for cyclists looking to upgrade or replace their existing bottom bracket setups. Designed to accommodate 30mm spindle diameter cranks with a minimum overall spindle length of 104mm, these bottom brackets are suitable for a wide range of cranksets and riding styles. Whether you’re building a new bike or upgrading your current setup, our selection ensures compatibility with RaceFace Cinch 30mm spindle cranksets and standard BSA (English) threaded shells. Elevate your cycling experience with these precision-engineered, style-conscious bottom brackets that combine advanced bearing technology, superior materials, and a sleek, anodized finishdelivering performance, longevity, and peace of mind for every ride.