Rotor Round Spider Mount Chainring If you have been looking for a reliable round chainring, you've found your match. Introducing the ROTOR Round Spider Mount Chainring, a durable and lightweight chainring designed for mountain biking 1x drivetrains. The Round Spider Mount Chainring uses a narrow/wide tooth profile to mimic the profile of your chain, resulting in less dropped chains. Made out of CNC machined 7075 Aluminum, this chainring is durable while still maintaining a lightweight construction. Features Compatible With an OCP mount or spider mount Durable 7075 CNC machined aluminum. Compatible With INSPIDER, KAPIC, KAPIC CARBON, RHAWK, RRAPTOR ROTOR cranks and power meters. Available In 34t, 36t or 38t. SPECIFICATIONSDrive Train Speed1x Tooth Count34, 36, 38Bolt Center Diameter110Material7075 aluminum Intended Use Trail, AMWeight- | Rotor | Round Spider Mount Chainring 38T | Aluminum