These hand built bearings are specially developed for off-road performance. The bearings offer extreme durability and high performance efficiency and are developed specifically for DUB 28.99 cranks. 

These bottom brackets are equipped with coated bearings. The coated bearings utilize the highest quality CeramicSpeed ceramic balls, running on hardened-steel races with a 3-micron thick metallic coating making the races corrosion resistant, harder and smoother, increasing service life and reducing friction. 

This product has a unique design specifically for SRAM DUB 28.99 cranks. 

With native fit frame interface and no plastic adapters or excess spacers. 

This design features a custom integrated dustcover for maximum durability. 

The maintenance of your CeramicSpeed Bottom Bracket is very important. As a general rule, when riding off-road, we recommend servicing your bottom bracket after 1-3.000 km or at least once every year. 

CeramicSpeed Bearings are handmade in Denmark and pressed in precision aluminium cups.

Thanks to the high-quality components, every single CeramicSpeed system is super stiff and efficient. To secure the best properties, our MTB bottom brackets come with our special Longlife grease. The BB30 Shimano MTB fitted with coated bearings delivers an increased resistance to corrosion and contaminating factors, enhancing the performance prospects of the bike and the results of the rider.

The special design of the threaded bottom bracket, where the cups are threaded and screwed together inside the frame, ensure that you avoid any creaking sounds and there is no need for any adaptors.

Specifications

BB Shell Width: 73mm
BB/Frame Interface: English
Weight: 114
Spindle Interface Type: SRAM DUB

Bottom Bracket Compatibility Matrix


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