Kcnc Ceramic Derailleur Pulley Wheel Review

Contrast these designs with ceramicspeed s pair of massive 17t derailleur pulleys.

Kcnc ceramic derailleur pulley wheel review.

Kcnc road mtb bicycle bike derailleur pulley for shimano sram campy 12t black. Each kcnc pulley wheel is equipped with a high quality hybrid ceramic cartridge bearing. Each kcnc pulley wheel is equipped with a high quality hybrid ceramic cartridge bearing. 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.

Kcnc ceramic derailleur pulley wheel by kcnc. There are two main reasons for stepping away from the traditional 11 tooth derailleur. Free shipping on many items. All pulleys were loaded with a 4 5lb weighted wheel.

Retailing from us 500 au 650 for what s effectively a carbon fibre derailleur cage and ceramic bearing equipped aluminium pulley wheels ceramicspeed s ospw oversized pulley wheel system is. The result is faster smoother shifts and a quieter drivetrain. Page 1 of 1 start over page 1. Find answers in product info q as reviews there was a problem completing your request.

Customers also shopped for. We don t know when or if this item will be back in stock. If you pedal at 100 rpm your pulleys are spinning at 481 rpm s in the big ring and 355 rpm s in the little ring 53 39. This is due to the high speed at which the pulleys spin often as high as 600 rpm.

The faster the bearings spin the more watts they suck up so the logic goes. Recently we have been receiving an increasing amount of questions about oversize pulley wheels. Kcnc jockey wheel pulley ceramic bearing 10t shimano campagnolo sram. The advantages of using a ceramic bearing in the rear derailleur s pulleys are the most dramatic of any other bicycle bearing system.

An 11t pulley would turn at this rate with a 53t front 11t rear gear combination at 95rpm cadence. Like carbondry this taiwanese manufacturer also uses an 11 tooth upper pulley with a 15 tooth lower wheel. Please try your search again later. Kcnc ceramic derailleur pulley wheel kcnc pulleys are intentionally designed with an integral amount of float or lateral movement.

Back in 1976 roger durham claimed that the reduced friction in his red anodised bullseye jockey wheels pulleys could save you the equivalent of a. I have my doubts about this since derailleur pulleys see far less radial load than wheel and bb bearings and load also increases bearing drag. This load is the approximate force to which the pulley is subjected by the tension in the chain spans by the derailleur tensioning spring.