{"product_id":"rennen-infinity-chainring-bolts-aluminum","title":"Rennen Infinity ChainRing Bolts-Aluminum","description":"\u003cp\u003eRennen Infinity Bolts are the latest product developed out of the new headquarters. We took one of the simplest components on a BMX bicycle \"The Chainring Bolt\" and we made it better.\u003c\/p\u003e\n\u003cp\u003eBack in 2008 we redefined the BMX Chainring through our threaded gear innovation, We took something so simple and made it so effective.\u003c\/p\u003e\n\u003cp\u003eRennen has done it again with the Infinity Bolt. A simple but very effective shoulder just under the head of the bolt serves to distribute the load (see below) and make this the strongest 7075 Aluminum or Titanium 6AL-4V Chainring bolt on the market.\u003c\/p\u003e\n\u003cp\u003eWhile all other bolts on the market use a 5mm internal hex we chose 4mm to provide more material and increasing their strength further by 8.5%\u003c\/p\u003e\n\u003cp\u003eAt Rennen we like improving things that are not obvious and we believe we have achieved that with the Infinity Chainring Bolt.\u003c\/p\u003e\n\u003cp\u003eWe are so confident in this design we are offering a lifetime warranty against breakage. That's right break a bolt and get a new one.\u003c\/p\u003e\n\u003cp\u003eFor something as simple as a chainring bolt we ran this design through 97 CAD iterations, 22 CNC G-Code variations and numerous FEA simulations.\u003c\/p\u003e\n\u003cp\u003eWe purchase USA made 7075-T6 and 6AL-4V Titanium and produce these on a state of the art multiaxis CNC lathe in house. We do things this way because we have full control over our designs and production, and the alternative of ordering parts out of a catalog is unoriginal and boring.\u003c\/p\u003e\n\u003cp\u003eRennen stands by their designs and products, the quality shows.\u003c\/p\u003e\n\u003cp\u003eAvailable Colors are Black, Red, Gold, Blue, and Raw Aluminum or Titanium\u003c\/p\u003e\n\u003cp\u003eChainring Bolts use a 4mm\/8mm allen wrenches for assembly\u003c\/p\u003e\n\u003cp\u003eRegular length (SHORT) has been optimized to work with most gear crank combinations\u003c\/p\u003e\n\u003cp\u003eXL (LONG) is specifically designed for thick crank spiders like Answer Accelerator cranks. XXL is made for RaceFace SixC Carbon cranks.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eIMAGE NOTE: The image shown is for reference only. 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