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Box - Limit Chain Tensioner (BMX)
Made from extruded 7075 CNC-machined aluminum, the Box Limit chain tensioner is designed for optimal strength and low weight. A minamalist design that adds style while reducing their overall mass, weighing just 62 grams(2.2 oz). Laser etched graphics includes wheel positioning guides and two 10mm 3/8 inch mounting holes. This ensures perfect adjustability on most frames every time.
When used properly, the Box Limit tensioner will protect your frame dropouts and hold your rear wheel in place.