19 models of derailleur pulleys were tested for efficiency.
Ceramic speed pulley wheels.
As the leading oversized pulley wheel system on the market the ceramicspeed oversized pulley wheel system ospw system has been developed to answer the riders.
Internally we use a nylon ball retainer g3 si3n4 balls and specially designed seals for our pulley wheel applications.
All metal races are precisely coated at no extra cost to the customer to simply provide the longest lifespan and highest performance possible.
All slf motion hybrid ceramic bearings are produced to the highest of standards.
The results showed the shimano acera as the least efficient pulley of the group consuming 1 370 watts set.
Coated version for even longer lifetime.
Stainless steel gold.
Crafting the fastest bearing products for cycling and industry since 2004.
Our pulley wheels are compatible with sram shimano and campagnolo.
Sram xx1 x01 eagle rear derailleur ceramic bearing pulleys fits gx eagle arriving sunday october 11 2020 23 99.
Arriving saturday october 10 2020 63 99.
Ceramicspeed sram eagle 14 1x12 speed pulley wheels.
Shimano 105 rd 5800 ss 11 speed rear derailleur pulley set.
Oversized pulley wheel systems the ospw system optimises the overall efficiency of your drivetrain thanks to our unique design and extremely low friction bearings.
Increasing need for improved drivetrain performance.
Hand built in denmark.
The ospw systems are compatible with shimano sram and campagnolo.
In addition a larger pulley wheel spins slower for a given cadence and in this case each pulley also runs on premium hybrid ceramic bearings with light contact seals and a low friction oil.
Free delivery over 100 free easy returns.
The ospw system optimises the overall efficiency of your drivetrain thanks to the extremely low friction of the ceramicspeed bearings and the unique design of the overall system.
Ceramicspeed ceramic pulley wheels offers smooth and precise shifting and less drag.
Based on the data the ceramicspeed pulley is the most efficient pulley consuming 0 033 watts set.