All pulleys were loaded with a 4 5lb weighted wheel.
Ceramic speed pulley wheels review.
Coated version for even longer lifetime.
Oversized pulley wheel systems the ospw system optimises the overall efficiency of your drivetrain thanks to our unique design and extremely low friction bearings.
At a touch over 700aud the standard low friction bearing system is compatible with mechanical and electronic shimano ultegra and dura ace 10 or 11 speed components.
There are two variants a standard and a coated low friction ceramic bearing option that marks the difference in price whilst the cage and pulley wheels themselves remain the same.
The accuracy of the rtpt is 0 001 watts.
The ospw systems are compatible with shimano sram and campagnolo.
Our pulley wheels are compatible with sram shimano and campagnolo.
An 11t pulley would turn at this rate with a 53t front 11t rear gear combination at 95rpm cadence.
Ultimate performance without compromising quality ceramicspeed has been one of the leading manufacturers of high performance bearings for the cycling industry since 2000.
Crafting the fastest bearing products for cycling and industry since 2004.
Ceramic speed s faq says the ospw is compatible with up to a 28 tooth cassette.
On my bike however even with the b tension screw bottomed out the upper pulley contacted the 28 in the big ring.
Hand built in denmark.
This load is the approximate force to which the pulley is subjected by the tension in the chain spans by the derailleur tensioning spring.
Ceramicspeed claims the ospw system is the fastest pulley system in the world providing an energy savings of around 1 6 watts for sram and 2 4 watts for shimano over their standard pulleys.
Ceramicspeed ceramic pulley wheels offers smooth and precise shifting and less drag.
Free delivery over 100 free easy returns.
Ceramicspeed was the first brand to introduce ceramic bearings to the cycling industry with devastating effect in their bottom brackets and derailleur jockey wheels.