Red AXS E1 Power Meter Upgrade Chainring Size:52/39T Better comfort than any competitor

Better comfort than any competitor saddle

while maintaining serious power for hammering to the front of the pack

Wedge-shaped front enhances stem strap support

Improved and easy-to-adjust chain stabilizer

available Firmware update by E-TUBE PROJECT ✔ Total capacity 39T Charging port (pcs) 1 B-axle_Hollow axle ✔ B-axle 2_Hollow axle ✔ Mount_Direct mount compatible ✔ Fluoric coated link bushings 4 Low sprocket_Max

Red AXS E1 Power Meter Upgrade Chainring Size:52/39T Better comfort than any competitorIts the ultimate in integrated power measurement. The RED AXS power meter kit adds Quarq technology to our one piece chainrings for the lightest, stiffest, and most accurate power package available. A 13 tooth delta on all chainring pairs ensures precise shifting for any setup, as well as a less dramatic change in cadence during front shifts. Combined with our most durable chainrings ever, its an unbeatable combination. X Range gearing technology