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  • 130BCD sets –  53/39
  • Heat Treated and Hard Anodized 7075 T6 Aluminum
  • Work with Shimano™ 10/11, Campy 10/11, SRAM 10/11 drivetrains
  • Designed for traditional 5-arm cranks
  • We highly suggest KMC, Shimano™, or Campy chains
  • Not compatible with 4-arm Campy or 4-arm SRAM Exogram cranks
  • GREAT for use with Di2 or EPS systems
  • InfoCrank, Power2Max, SRM, and Quarq power meter compatible
  • Installation Guide


  • Cold Forged Manufactured – Tooth profiles all Cold Forged
  • LevaTime® shifting technology


SHIMANO — Our rings work great with the new Shimano 10/11sp chain and drivetrains (Di2 included) when mounted to a traditional 5-arm mount 110 or 130 BCD Shimano crank. They also work great with traditional 5-arm mount aftermarket cranks such as THM, Rotor, Cannondale, Specialized, LOOK and FSA cranks… *Our rings do not mount to the new DA9000 crank with its new custom asymmetrical BCD.
SRAM — Our rings work great with the SRAM 10sp and “SRAM 22″ 11sp chain drivetrains when mounted to a traditional 5-arm mount 110 or 130 BCD SRAM crank. They also work great with traditional 5-arm mount aftermarket cranks such as THM, Rotor, Cannondale, Specialized, LOOK and FSA cranks.
-EXOGRAM RED/FORCE/RIVAL CRANKS- Our rings are not made for the brand new SRAM ‘Exogram’ cranks as they are a custom 4-arm mounting.
-YAW FRONT DERAILEUR- Our rings shift great with the new SRAM “Yaw” front derailleur.
CAMPY — Our rings work great with Campy 10/11sp chain and drivetrains (EPS included) when mounted on a traditional 5-arm mount 110 or 130 BCD crank such as a THM, Rotor, Cannondale, Specialized, LOOK, FSA crank. *Our rings
do not mount to Campy cranks.


Praxis Works warrants components to be free from defects in materials or workmanship for a period of 2 years after original purchase. However, there are limitations as “nothing lasts forever” so please read our Warranty page for details.


FED EX – We ship globally with Fed Ex and charges are calculated in your shopping cart at checkout. Note: We do not ship to international countries where we have a full service distributor. Please see our list of International Distributors.

30 DAY SATISFACTION GUARANTEE – Here at Praxis, we’re a core group of riders we believe you should be completely satisfied with the purchase you have made. Should an item purchased through the Praxis Online Store fail to meet your expectations, we will gladly accept its return within 30 days of original purchase.

RETURNS – If within 30 days of original purchase please call Praxis Works customer service at 831-423-7464 or email sales@praxis-works with your order number and our reps will be glad to setup a refund RA for you. Customer is responsible to ship/insure the product by a trackable source because if lost or damaged Praxis will not refund. Please do not return any item directly to Praxis unless an RA has been provided by a Praxis rep. Once product is received and checked in at Praxis, your warranty/refund will be processed immediately and you will be notified. No returns are accepted after 30 days.

EXCHANGES – Exchanges are not available. A full return with explanation will be needed, and a new transaction for correct product will be processed. Please call Praxis Works for issues regarding product mislabeling, miss-shipping, or if you simply ordered the wrong product.


Product Description

COLD FORGED – All of our road chainrings are created with our proprietary forging process which allows us to manipulate the ring shape and tooth profile more than ever before. With our “One-Shot” forging we are able to increase the amount of shifting features on a chainring which normal CNC manufacturing won’t allow. The process also creates a harder and tougher tooth surface for durability. Individual tooth profiles, alternating tooth angles, timed ramps and tactically placed shift elevators are all jam packed onto a Praxis ring. Translation: All of these small aggregate features add up to the most durable and consistent shifting rings ever produced for cyclists.

LEVATIME™ – Our LevaTime™ shifting is the product of years of relentless testing and tweaking. The final result is a set of some of the finest and fastest-shifting rings available. With a LevaTime™ ring, several shift pins are placed strategically at points on the ring to provide a perfectly timed lift. Synchronized ramps are tuned with a specific inner ring, providing a clean channel for the chain to move upwards. Each individual tooth is sculpted to handle a specific duty. Along with that, precisely located scallops help control chain movement and prevent chain suck.

Additional Information

Weight 0.75 lbs
Dimensions 12 x 8 x 1 in
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