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Overview

BSA is another way of stating English threading; it comes from British Standard Cycle. English threading on road bikes mean a 68mm wide, 34mm inside diameter shell with reverse threading on the drive side. It’s the most common threaded standard employed today. This kit works with 24mm diameter thru-axle cranks, found on Shimano, FSA, Rotor, among others.

Choose between two bearings for the cups. Standard Bearings have low drag thanks to hardened-steel races and our Ceramic balls. Coated Bearings have those same balls installed on coated, hardened-steel races for longer life and less bearing drag.

In The Box

  • 2 threaded cups with bearings
  • 2 dust covers with built-in spacers
  • Spacer tube
  • All Round Grease
  • Sticker sheet

Tech Data

English threading is easy to work with and the drive side cup, thanks to being reverse-threaded, stays in place without extra effort. 24mm spindles easily fit through the shell, allow for large bearings to be employed in the outside cups.

Put more of your energy into forward motion by reducing frictional drag wherever you can. CS Standard Bearings typically have frictional drag of 0.3-0.4 watts per set. That’s in the range of a 75% drag reduction compared to standard bottom brackets. CS balls are 100% smoother and 15% harder than ceramic competition. The bearings last at least 3x longer than other bearings.

TT and Track, All Round, and LongLife are greases CS designed to help the bearings roll smoothly. The first is the least drag, the last is the most durable. All Round comes in road bearings, LongLife in MTB. You can change the grease to tune performance.


Installation

Installation of BSA for Shimano Road

If you don't have any experience installing bottom brackets and bearings, we recommend that you have your local bike shop fit your new bearings.



Installation of Shimano crank on CeramicSpeed Bottom Brackets


Maintenance

We recommend that you follow our instructions on how to maintain your CeramicSpeed Bottom Brackets to achieve the lowest friction and the best longevity.

 

101307

CeramicSpeed BSA Bottom Bracket for Shimano Road

Available from stock in 3-5 days unless specified below.

Most non-stock products take approx 2-3 weeks from time of order to shipping.

Please contact us for any CeramicSpeed products you don't see listed on our site.

Overview

BSA is another way of stating English threading; it comes from British Standard Cycle. English threading on road bikes mean a 68mm wide, 34mm inside diameter shell with reverse threading on the drive side. It’s the most common threaded standard employed today. This kit works with 24mm diameter thru-axle cranks, found on Shimano, FSA, Rotor, among others.

Choose between two bearings for the cups. Standard Bearings have low drag thanks to hardened-steel races and our Ceramic balls. Coated Bearings have those same balls installed on coated, hardened-steel races for longer life and less bearing drag.

In The Box

  • 2 threaded cups with bearings
  • 2 dust covers with built-in spacers
  • Spacer tube
  • All Round Grease
  • Sticker sheet

Tech Data

English threading is easy to work with and the drive side cup, thanks to being reverse-threaded, stays in place without extra effort. 24mm spindles easily fit through the shell, allow for large bearings to be employed in the outside cups.

Put more of your energy into forward motion by reducing frictional drag wherever you can. CS Standard Bearings typically have frictional drag of 0.3-0.4 watts per set. That’s in the range of a 75% drag reduction compared to standard bottom brackets. CS balls are 100% smoother and 15% harder than ceramic competition. The bearings last at least 3x longer than other bearings.

TT and Track, All Round, and LongLife are greases CS designed to help the bearings roll smoothly. The first is the least drag, the last is the most durable. All Round comes in road bearings, LongLife in MTB. You can change the grease to tune performance.


Installation

Installation of BSA for Shimano Road

If you don't have any experience installing bottom brackets and bearings, we recommend that you have your local bike shop fit your new bearings.



Installation of Shimano crank on CeramicSpeed Bottom Brackets


Maintenance

We recommend that you follow our instructions on how to maintain your CeramicSpeed Bottom Brackets to achieve the lowest friction and the best longevity.

 

  • AVT.Bike is an authorized CeramicSpeed dealer. We carry stock of the most common CeramicSpeed bottom brackets and pulley wheels in Black.
  • Most CeramicSpeed products are also available in Red, plus a coated version. Please contact us for availability and ordering of these products.
  • The coated version contains a metallic layer, which is 75% harder than the hardened steel races. The coating is applied in a very thin and even layer of 3 microns (0,003 mm) on the entire surface of the bearing race. Both the inside and the outside are treated to achieve optimal results.
  • If you have any technical questions at all on CeramicSpeed products please contact us and we'll be pleased to help you out!
  • All CeramicSpeed products are responsibly manufactured in Denmark.