M 1900 SPLINE® Reliable freedom in the mountains. After a long climb, the perfect trail unfolds beneath your tyres: flowing, dusty, varied and seemingly endless. With the M 1900 SPLINE, nothing can stop you from getting your fill of All Mountain thrills. Designed to strike the optimal balance between weight and durability, this rim offers efficient climbing characteristics as well as excellent impact resistance on tight, narrow trails. Thanks to the new Ratchet LN system and hand assembly by experienced technicians, this wheelset is the dependable partner for freewheeling adventures in the mountains.