Cannondale Spide Ring Ai 10 Arm 55 CLI Don't Want Dropped Chains! I Want Pictures of Spide Ring! Dropped chains are a thing of the past when you have an exceptional-quality chainring on your bike. With a narrow-wide chainring, you'll be able to ride with confidence. The Cannondale Spide Ring Ai 10 Arm 55 CL has a one-piece design that makes it ultra-light and stiff. It features a 10 Arm design and has an Ai offset with 55mm chainline when used with Cannondale 137mm spindles. Features One-piece technology makes for reduced weight and increased stiffness and durability Ai offset with a 55mm chainline when used with Cannondale 137mm mountain spindles Compatible with Cannondale Hollow Gram cranksets Made from aluminum for a lightweight and strong setup SPECIFICATIONSDrive Train Speed12-Speed Tooth Count30, 32, 34, 36TMaterial Aluminum Direct Mount Type Cannondale Chainline55mm Offset Ai Intended Use Mountain Weight N/AChainline/Chainring Offset Guidelines Rear Spacing135mm / 142mm148mm Boost Super Boost 150mm / 157mm Fat Bike (170mm, 190mm, 200mm)Chainline48 - 50mm51 - 53mm54 - 56mm56mm+Chainring Offset~6mm~3mm~0mm~+2mm | Cannondale | Spidering Ai 10 Arm 55 Cl 32T | Aluminum