Red E1 Aero Chainring Kit Vendor_Galfer creating seamless shifts even during

creating seamless shifts even during your hardest power output

The Shimano Altus SL-M315 Shifter offers light shifting operation

longer pins

Center to Flange

Red E1 Aero Chainring Kit Vendor_Galfer creating seamless shifts even duringSRAM's light, stiff, and durable direct mount RED X Sync Aero chainrings let you pick the exact gearing you want and quickly swap sizes. X Sync technology keeps the chain where you need it to be, too. FEATURES: X Sync wide tooth, narrow tooth chainring technology provides maximum chain control Laser etched chainring finish is more durable than previous version X Range gearing technology gives you more range and a smoother gear progression, so youre