Dt swiss conversion kit qr to 142mm x 12 rws rearthe rws x 12 allows tool free wheel swaps on frames using the x 12 standard quicker than any other wheelmounting standard modern road and mountainbikes allow for an ever increasing level of rding faster and more aggressive the rws system keeps up with this development holding the wheels securely no matter the situation features genuine dt replacement part size 12mm142mm weight 65g see dt swiss exploded parts diagrams for full details an