Original Bolt Drive Sprocket
treebicycleco.com
Sporting Goods / Outdoor Recreation

Original Bolt Drive Sprocket

$46.99
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Designed to be the strongest sprocket out there... ever. SPECS - 1/4" thick 7075 T6 CNC machined aluminum - 22mm hole w/ steel adapter for 3/4"(19mm) spindles - 1/8" wide teeth - Anti-loosen bolt drive slots - Available in Spline Drive SIZES - 25T, 28T, and 30T COLORS - Black, Blue, Gold, Red, Silver, or Woodgrain WEIGHT - 25t: 2.7oz/76g INFO We introduced using 7075 T6 aluminum for sprockets to BMX in 2002 with the Tree Original sprocket, well back then it was just called the Tree sprocket. At the time people had to change their 6061 sprockets every few months. I now see photos quite often from people that have been running the same sprocket for 6+ years. It is currently the strongest sprocket available. It has 5 different crank arm bolt positions to help extent the life of the sprocket. The sprocket is machined in a way that removes material from the triangle shaped holes that is not needed and leaves the material necessary to form a structure of high strength to weight. With a class

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