Sun ringle envy bmx rimthis sun ringle envy bmx rim is a race ready robust and durable rim that will compliment a custom build front and rear specific the envy bmx rim is light at only 395 grams for the front rim and 392 grams for the rear but strong and durable to cope with landing plenty of sweet air time grinding rails and taking more punishment than you can dish out the sun ringle envy rim depth is 28 5mm to provide a stable base for maximum handling control and has been drilled for