. This 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 36 holes. Pair this Envy rim with a smooth hub and strong spokes and there's no doubt that you'll be cruising on a bombproof wheelset Features Front and Rear Specific YesSpoke Count 36hRim Joint WeldedRim Width 28 5mmWeight 395g front; 392g rear Technologies Welding The welding method is used on all levels of rims from OEM high volume rims to high quality after market rims. The method typically used is called a flash butt process. The process is done in a large welder that grips the ends of the rim in clamps to hold and guide the rim during welding. The rim blank is rolled and cut with extra length circumferentially. The rim is clamped in the welder dies with the ends of the rim protruding about " from the die on each side. The welder then starts the flash part of the weld cycle. It passes very high amperage current through the clamp dies while slowly moving one die to bring the ends of the rim together. The current creates an arc between the ends of the rim, burning off the extra metal allowed in the cutting of the rim blank while heating the ends of the rim. After a precisely controlled flash time, the current is turned off and the butt part of the weld cycle is initiated. This consists of rapidly forcing the heated ends of the rim together with great force to complete the joint. There is weld flash left around the weld that is removed to smooth the joint and blend it in to the extrusion shape BuySun Ringle Wheels & Tyresfrom Chain Reaction Cycles, the World's Largest Online Bike Store.
Price: £37.99 from Chain Reaction Cycles
. For a sturdy MTB rim built to withstand the toughest trails, you'll want the strength and performance that comes with Sun Ringle's Duroc range. The Duroc 30 sports a no nonsense aluminium welded rim that ensures durability while also being lightweight...
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