Theory American Bottom Bracket Kit (Dark Blue) (19mm)

Theory American Bottom Bracket Kit Description:

The Theory American Bottom Bracket Kit includes 2 precision sealed bearings, press-in American BB cups, internal spacer, drive and non-drive side dust caps, and several spacers to work with. 

Specifications:

• BB Type: American
• Spindle Sizes: 19mm & 22mm
• Center Spindle Width: –
• Color: Dark Blue
• Weight: –

Be sure to grease up your new bottom bracket kit while installing it. This makes installation easier and keeps the bearings running smooth with a longer lifespan. Find grease here.

This product was added to our catalog on July 17, 2025