Tubular rim, built to perfection. The Gavia Rim offers superior wheel stability & structure. When coupled with the unique Pro-Lite spoke made from Swedish Stainless Steel, you have a combination that is everything the rider needs. During tests using several Pro riders, we used a power meter set at 300 watts of power over 50km & the results were amazing. The result was an average faster time over 50km of 89.2 seconds. (please note: rim only, hub & spokes not included) What were also consistent were the comments riders made after each test. The phrase “those wheels feel really fast” was repeated many times. It became evident that lighter rims flex far too much under maximum load by the rider & weight saving does have its disadvantages, that being the rim flexes far too much causing the rider to waste far more power to maintain the same speed & therefore a Pro-Lite rim allows the rider to maximise the power output & actually go faster using the same amount of power. Specification