Ceramic Speed Pulley Wheels Review

Ceramicspeed ceramic pulley wheels offers smooth and precise shifting and less drag. All pulleys were loaded with a 4 5lb weighted wheel. Ultimate performance without compromising quality ceramicspeed has been one of the leading manufacturers of high performance bearings for the cycling industry since 2000.

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Crafting the fastest bearing products for cycling and industry since 2004.

Ceramic speed pulley wheels review.

Ceramicspeed was the first brand to introduce ceramic bearings to the cycling industry with devastating effect in their bottom brackets and derailleur jockey wheels. As a bonus ceramicspeed s testing shows that these pulleys last anywhere from 3 5 times longer than stock. Our pulley wheels are compatible with sram shimano and campagnolo. The ospw systems are compatible with shimano sram and campagnolo.

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. 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. Coated version for even longer lifetime. 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.

Ceramic speed s faq says the ospw is compatible with up to a 28 tooth cassette. The accuracy of the rtpt is 0 001 watts. Hand built in denmark. Oversized pulley wheel systems the ospw system optimises the overall efficiency of your drivetrain thanks to our unique design and extremely low friction bearings.

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. 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. 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.

On my bike however even with the b tension screw bottomed out the upper pulley contacted the 28 in the big ring. This load is the approximate force to which the pulley is subjected by the tension in the chain spans by the derailleur tensioning spring.