M 1900 SPLINE® For reliable freedom in the mountains. After a long climb, the perfect trail unfolds beneath your tires: smooth, dusty, varied, and endless. With the M 1900 SPLINE, nothing can stop you from enjoying the full All Mountain experience. Designed to offer the optimal balance between weight and durability, this rim delivers efficient climbing performance as well as excellent impact resistance on narrow trails. Thanks to the new Ratchet LN system and handcrafted construction by experienced technicians, this wheel is your reliable partner for freeride adventures in the mountains.