SRAM RED AXS Power Meter Crankset 165mm 2x 12 Speed 48 35t 8 Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 CheckoutTitle=Teravail Honcho Tire 29 x 2.6 The clamp design reduces stress The clamp design reduces stress on lightweight rails and wont bottom out and the bolts are oriented to the axis of the rails for greatest contact area with the saddle Legendary Shimano Ultegra reliability paired with Vision Trimax Tubeless and E Bike rated rims to achieve the difficult task of a desirable wheel upgrade for modern e road bikes text align:left } 29 g lighter than previous generation Power meter is fully integrated into the chainring for lighter weight Power readings are accurate within + 1