Road touring rim designed to dt swiss exacting specifications the dt swiss tk 540 700c touring rim uses sbwt strength boost welding technology to create a perfectly welded join for a durable reliable rim machined sidewalls for powerful braking on a consistent sidewall surface with wear indicators show the extent of sidewall wear perfectly aligned stainless steel spoke double eyelets distribute stress evenly and allow for 4 higher spoke tensions than normal rims higher torsional rigidity