Providing the wind isn’t blowing in the rotor’s direction, you can spraydegreaseron the chain just as it meets the crankset underneath the driveside chainstay, because this is the furthest point away from the disc brake system. In terms of cleaning disc brakes, it's always best to use...
A new OCLV 900-series carbon layup is partly responsible for the weight savings – and proprietary aero bottles and matching cages are claimed to save 3.7 watts at 45kph. Sizeable chainrings… - Simon von Bromley / Our Media The Trek-Lidl rider’s bike comes equipped with a SRAM Red AXS...
then the spider. In reality, there’s very little loss between the pedals and the chainrings/spider. So that’s essentially negligible. Where losses are most definitely real is between the crankset and the cassette (wheel hub in the picture above...