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Shimano Dura Ace 7800 Front Hub The Shimano Dura Ace 7800 Front Hub features Super lightweight and rigid alloy axle, is radial lacing compatible, smooth rolling, and Double Contact Sealing. While the grade of materials and the surface treatment of the races may change between groups, one thing is constant. Shimano hubs exclusively use a cup and cone bearing system in all of its hubs. Cup-and-cone bearings offer greater strength than sealed cartridge bearings due to their ability to displace lateral and vertical loads more effectively for super smooth rotation in real world riding conditions. The Cup-and-cone bearings on the Shimano Dura Ace 7800 Front Hub also allows for easier maintenance, adjustability and serviceability. |
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