Praxis Works Aero TT 130BCD 53/39T Chainring Set

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The Fastest-Shifting Rings Available The Praxis TT road chainrings are the result of relentless testing and tweaking, matched with the best material and manufacturing processes to create some of the smoothest running, most durable and sweetest shifting chainrings available. These TT rings are machined from 7075 T6 aluminium and hard anodized for even more durability. They also feature our famous LevaTime Shifting Technology, which boasts synchronized ramps and strategically placed shift pins for perfectly timed shifts every time.
• Configuration: 53/39T • 53/39 for installation on either a 5-arm OR 4-arm w/hidden 5th (like SRAM Exogram) • Hard Anodized 7075 T6 Aluminium | Machined Mfg. • Works with 10/11sp drivetrains | Highly suggest KMC, Shimano™ or Campy chains • Great for use with Di2, EPS, or eTap shifting systems