CeramicSpeed PF4130 Bottom Bracket - BB86 to 30mm Spindle, Coated Races, Black Default:Default M will vary slightly)

M will vary slightly)

and a smoother ride

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Cable Management Trek 4mm/5mm Full Housing Black

Stroke: 57

CeramicSpeed PF4130 Bottom Bracket - BB86 to 30mm Spindle, Coated Races, Black Default:Default M will vary slightly)The CeramicSpeed BB86 bottom bracket offers bearings with extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings. Key Features Grade 3 Silicon Nitride balls Coated races increase bearing service life by increasing hardness of race and reducing corrosion Reinforced polyamide cage and non contact seals Hand built in Denmark CeramicSpeed products with coated bearings include a 6 year warranty