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BB86 Bottom Bracket for Shimano
Shimano cranks fit into BB86 frames when this CeramicSpeed Bottom Bracket is installed. The kit consists of two cups pressed into either side of the central opening.
The cups come with CeramicSpeed Bearings installed. There are two versions. The first is our low drag, long life Standard Bearing, with hardened-steel races and our super round CeramicSpeed Balls. The second version is our coated bearing, which uses those same CeramicSpeed Balls installed on coated, hardened-steel races for longer life and less bearing drag.
This CeramicSpeed BB86 Bottom Bracket works with cranks that have 24mm thru-axle spindles, including both Shimano and FSA.
CeramicSpeed standard Bearings typically have a frictional drag of 0.3-0.4 watts per set. That represents an average 75% drag reduction compared to standard bottom brackets. The hardened-steel races feature the CeramicSpeed Balls that are 100% smoother and 15% harder than the ceramic competition. The CeramicSpeed Bearings last at least three times longer than other bearings.
Coated Bearings drop friction further and increase lifespan. The coated races see a 50% drag reduction and an improvement in bearing life of 60%.
Changing the grease can tune performance. All Round Grease comes installed but can be adjusted for lower drag Race Day Grease or higher durability Long Life Grease, which adds a bit of drag but stays in when riding through muddy conditions.
What is coated?
A lifetime warranty covers our coated products. The unique coating formula is a metallic layer that covers the bearing races and makes them 75% harder than steel. Thanks to this, they are highly resistant to corrosion, and the coating provides even lower friction than our standard bearings. Even if the bearing is contaminated with degreaser, water, or mud, the risk of bearing failure due to corrosion is negligible if you choose the coated version.
Installation of BB86 Bottom Bracket for Shimano
Installation of Shimano cranks on CeramicSpeed Bottom Bracket.
Maintenance of CeramicSpeed PF4130 Road and MTB Bottom Bracket
We recommend that you follow our instructions on maintaining your CeramicSpeed Bottom Brackets to achieve the lowest friction and the best longevity.
SKU# 101339, 101340
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