Or as low as 
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Shimano XT / Ultegra / Saint Jockey Wheels
High-end pulley set for MTB and Road. Precision sealed bearing tension pulley for low friction and ceramic bushing is used in guide pulley for durability.
Compatibility
- XT;RD-M772/ M771/ M770/ M761/ M760/ M751/ M750
- Ultegra RD-6770/ 6700-A/ 6700/ 6600/ 6500
- Saint RD-M810-A/ M810/ M806/ M805/ M801/ M800
- Nexave RD-C910
- XT Trekking RD-T780
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