Sugino have been providing quality bike components in the bike industry since 1910. The Sugino Pista crankset is a forged alloy 170mm crank with and 1/8th chainring, ideal for single speed, track and fixed wheel bikes. This crank is designed for track use primarily but would look great on any single speed converted road bike. Specifications: Sugino RD2 170mm arms Sugino Pista chainring JIS Square Taper (Shimano/SR/Sugino) 1/8 130 BCD 44t | 46t | 48t Suitable for 9/16" pedals 103mm bottom bracket (not included). 45mm chainline Weight: 620g Supplied without crank bolts, bottom bracket or caps.