Token Ninja PF30 Shimano 24mm TBT BBThis high-quality bottom bracket is perfect for both road and MTB use as it offers excellent stiffness and reliability on every ride. It features a durable alloy shell construction which is wrapped in plastic and fibre material to fit snugly with your frame. This means you’ll benefit from a quieter and more stable performance when riding on the pavement or shredding the trails. TBT BearingsGiving you a long-lasting performance, this version is equipped with TBT bearings which are constructed from ceramic balls and extremely-hard races. This allows you to enjoy its low-rolling resistance while its shell locks together for unbeatable rigidity. This is the ultimate choice of upgrade for riders who want a tough component that’s more than capable of handling the most intense of rides. Features: Shell Material: Alloy Fitment: PF30 Use: MTB, Road Crank Compatibility: Shimano 24mm Bearings: TBT Weight: 135g (approx) Buy Token Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.