Shimano Tiagra Double 4600 10 Speed Chainset - 52/39T - 170mm Arm Length Brake Calipers SRAM calls it Yaw Technology

SRAM calls it Yaw Technology

The MT68 wheel is designed for more aggressive riding whilst still maintaining low weight thanks to the 24 spoke straight pull design

Length: 2000mm (2m)

Where as if the rider brakes

or adjusted independently of the derailleur's position

Shimano Tiagra Double 4600 10 Speed Chainset - 52/39T - 170mm Arm Length Brake Calipers SRAM calls it Yaw TechnologyShimano Tiagra Double 4600 10 Speed Chainset 52 39T 170mm Arm Length Experience the unbeatable performance promised by this pro level kit. Showcasing a 2 piece cap free design, this allows a quick and easy installation whilst delivering a lighter feel compared to the traditional crank bottom bracket assembly. If you need quick and positive shifting, then the SG X chainrings with its pick up pins and tooth profiles will be right up your street with