The cups have extended sleeves, are joined via a spacer tube, reducing the likelihood of creaking and increasing the reliability, as well as protecting internal cabling from the 24/22mm crank spindle on SRAM and Quarq cranks.

The Standard Bearings have a friction cost 0.3-.04 watts per set, an average drag reduction of 75% compared to stock bb’s. The result of smart design: hardened-steel races, and ceramic balls that are 100% smoother and 15% harder than even the competition from fellow ceramic bearings. They also last longer.

Coated Bearings feature an even longer service life and feature even lower drag. Life increases by 60% and drag drops by 50% compared to our Standard.

All Round Grease is installed in the bearings. It can be replaced for lower drag Race Day Grease, or higher durability Long Life Grease, which adds a bit of drag but stays in when riding through messy conditions.

 如何購買？
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PF30 SRAM GXP 五通軸承安裝
如果您沒有安裝五通軸承和培林的經驗，我們建議您讓當地的自行車店安裝新培林。