ECHO US BB

Fully sealed USA bottom bracket to restore your old/mid-school build.

Size: 19 mm USA size, sealed

Material: alloy CNC cones, sealed bearing

Weight: 280 g (9.8 oz : 0.61 lbs)

Features:

• High quality sealed bearings in alloy CNC bearing cups
• Includes cones & spacers to adjust chain-lines on 68, 73 & 74mm BB shells