Ceramic Speed Pulley Wheels Review

The accuracy of the rtpt is 0 001 watts. This load is the approximate force to which the pulley is subjected by the tension in the chain spans by the derailleur tensioning spring. 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.

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Ceramic speed s faq says the ospw is compatible with up to a 28 tooth cassette.

Ceramic speed pulley wheels review.

All pulleys were loaded with a 4 5lb weighted wheel. Coated version for even longer lifetime. Hand built in denmark. Our pulley wheels are compatible with sram shimano and campagnolo.

On my bike however even with the b tension screw bottomed out the upper pulley contacted the 28 in the big ring. An 11t pulley would turn at this rate with a 53t front 11t rear gear combination at 95rpm cadence. Free delivery over 100 free easy returns. Using technology developed as part of nasa s space program ceramic speed allows you to be in the race but win it thanks to their top grade silicon nitride ceramic ball bearings.

As a bonus ceramicspeed s testing shows that these pulleys last anywhere from 3 5 times longer than stock. 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. 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.

Oversized pulley wheel systems the ospw system optimises the overall efficiency of your drivetrain thanks to our unique design and extremely low friction bearings. Crafting the fastest bearing products for cycling and industry since 2004. The ospw systems are compatible with shimano sram and campagnolo. Ultimate performance without compromising quality ceramicspeed has been one of the leading manufacturers of high performance bearings for the cycling industry since 2000.

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. Ceramicspeed was the first brand to introduce ceramic bearings to the cycling industry with devastating effect in their bottom brackets and derailleur jockey wheels.