Great value Tourney road chainset, perfect for riders who are taking there first steps into cycling. The tourney range features the fantastic ride quality and durability of the more expensive options but at a lower more wallet-friendly price tag.The SG-X chainrings feature strategically placed chain pick-up pins and tooth profiles to ensure fast and positive shifting across the range of gears. The chainrings are manufactured from hard wearing steel to provide optimum durability, while the crank arms themselves are crafted from lightweight aluminium to help keep the overall weight to a minimum.Key Features:Crank construction: 2-piece solid crank construction,Chain compatibility: HG For 7/8-Speed (CN-HG40),Chainring sets: 50-34T,Bolt circle diameter: Riveted,Crank arm length: 170mm,Bottom bracket: BB-UN26,Chain Line: 43.5mm,Square tapered bottom bracket not included.