Transition Revolution Rim. The 32 rim have the perfect width and weight to build up for almost any type of riding you can think. Super strong with a unique patented seam junction, these alloy rims can take a beating without costing you a huge weight penalty. The 36 rim have a wider profile than the 32s and are perfect for going big or for the bigger rider. Super strong with a unique patented seam junction, these heavy duty rims can take a serious beating without costing you a small fortune.