Sram Front Derailleur Am Braze-On Yaw With Chain SpottrFeatures Yaw cage rotates in line with chain, improving the shifting speed and precision while eliminating the need for shifter trim TRUE 22 twenty two usable gears in all gear combinations with no rub Slim spring design eliminates frame interference Durable, light, fast, precise and optimized to work with X Glide R chainrings Precision alignment markings. Integrated chain spotter protects your frame, installs and adjusts independently of the