Shimano has a new version of its premium XTR groupset, it features – for the first time ever – completely wireless shifting, as well as a new range of wheels and brakes. Called XTR Di2 M9200, it’s ...

Generally, most passenger vehicles with disc brake systems have brake calipers with between one and six pistons per caliper. However, some high-performance brake calipers can have up to 10 pistons ...