1,375 "x 24 English thread for 68mm casing width Including 2 hexagon socket screws m8 x 1 10.9 with adjusting ring, in self-service packaging Durable, maintenance-free, weather-resistant left-hand thread adapter with functional flange (fs) Shaft made of specially hardened material Certificate: iso 4210-8: 2014 (mtb) Galvanized steel bushing (Ø = 27 mm) to protect the bottom bracket and especially suitable for the passage of cables