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while also allowing for added ventilation on extra-hot runs
TransformAir technology
Wedge-shaped front enhances stem strap support
this wasn’t always optimal due to varying hole patterns
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 while also allowing for addedIts 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