Disc brake version of the road touring rim designed to dt swiss exacting specifications the dt swiss tk 540 700c disc rim uses sbwt strength boost welding technology to create a perfectly welded join for a durable reliable rim perfectly aligned stainless steel spoke double eyelets distribute stress evenly and allow for 4 higher spoke tensions than normal rims higher torsional rigidity due to an optimised rim profile unique process for the black coating produces a tough and durable finis