Recently we have been receiving an increasing amount of questions about oversize pulley wheels.
Kcnc ceramic jockey wheels.
Each kcnc pulley wheel is equipped with a high quality hybrid ceramic cartridge bearing.
Kcnc jockey wheel pulley 7075 alloy 11t red 5 0 out of 5 stars 1.
This pulley wheel features the same integral float as kcnc s aluminum pulleys for the best shifting performance possible in an aftermarket pulley.
Kcnc jockey wheel gear accessories 11t ceramic bearing red 4 7 out of 5 stars 2.
Stylrtop 2 pcs 11t aluminum sealed bearing jockey wheel rear derailleur pulley for shimano sram.
The result is faster smoother shifts and a quieter drivetrain.
This movement allows the pulley to settle into an optimum position under each cassette cog.
Bought some inexpensive 11t jockey wheels for my 2 road bikes.
All models were tested as a set of two pulleys typically one upper and one lower pulley.
12t 14t 16t narrow wide long teeth ss bearing for11s 12s shimano sram compatible kcnc fr trap clipless pedalyou probably already know our kcnc am trap.
This is due to the high speed at which the pulleys spin often as high as 600 rpm.
Jockey wheel asymmetrischwe have recently added asymmetric jockey wheels to our product range and the asymmetric attachment of the upper shift roller means that cassettes with 9 speed sprockets can be wrapped around better.
With the ceramicspeed osps system and kcnc s being very visible in the market and recently sram introducing a 14 tooth bottom pulley for their eagle derailleurs it sure is a trend that did not go unnoticed.
3 6 out of 5 stars 3.
The use of a full ceramic bearing ensures low drag and maximum drivetrain efficiency as pulley wheels can spin at more than six hundred revolutions per minute.
The advantages of using a ceramic bearing in the rear derailleur s pulleys are the most dramatic of any other bicycle bearing system.
Kcnc jockey wheel ultra gear accessories 11t ss bearing black by kcnc 53 00.
This video shows the comparison of bearing drag between the original dura ace 7900 jockey wheel and the new full ceramic bearing wheel.
The results showed the shimano acera as the least efficient pulley of the group consuming 1 370 watts set.
What we do best.
Kcnc international a company has full of passionate engineers working for the brand kcnc.
19 models of derailleur pulleys were tested for efficiency.
Kcnc sc 11 seatpost clamp al7075 36 4mm bike black.
Each kcnc pulley wheel is equipped with a high quality hybrid ceramic cartridge bearing.
Based on the data the ceramicspeed pulley is the most efficient pulley consuming 0 033 watts set.
Ken lin is our leader and chief engineer well honed experience of aluminum and titanium design machining skills for some of the famous bicycle brands in the industry.
