Wolf Tooth Components Elliptical Drop-Stop Chainring: 40T SRAM Direct Mount

描述

Designed to fit SRAM cranksets with removeable spiders. Its proprietary design has an ovality of 10% and a timing of 112 degrees after top dead center which provide the beneifits of an oval ring such as greater rear wheel traction without the traditional downsides of oval rings.The simplest way to explain the way these rings feel is having 2 teeth less in the weak part of your pedal stroke and 2 teeth more where you have the most powerCompatible with S2200, S2210, X9,XO,XO1,XX1,X1 1400 CranksMade from 7075 Aluminum for long life50mm Chainline for optimal rear shiftingOptimized for use with 10, 11, and 12 speed chainsCan also be used on long spindled BB30/PF30 cranksetsFeatures Wolf Tooths Drop-Stop tooth design for maximum chain retentionNot compatible with 9 speed chainsItem SpecificationsMaterialAluminumOffset6Defined ColorBlackRing Position/TYPEChain Retaining Single RingDrivetrain Speeds10Drivetrain Speeds11Drivetrain Speeds12Tooth Count40Direct Mount TypeDirect Mount SRAMRound or OvalOvalChainline/Hub Compatibility135/142 MTB HubsChainline/Hub Compatibility150/157 DH HubsChainline/Hub Compatibility170/177 Hubs