This road bike bottom bracket is suitable for use with both carbon & alloy BB30 cranksets. Designed for versatility, it comes equipped with stainless steel cartridge bearings that are pre-installed in nylon cups for smooth rotative performance on every mile. Compatible with BB386 EVO, 46mm pressfit (PF30), & BBRight frame standards, this FSA PF30 road bottom bracket is a great choice for reliable & consistent crank operation. One final highlight is it's developed with clearance to allow for the internal routing of wiring for Di 2 or other electronic shifting systems. For SL-K Light, Energy, Gossamer Pro, Gossamer, Assault, Vision Tri Max & Omega BB30 chainsets. Manufacturer's Part Number: 200-3112 Black PF30