![Echo TR Bottom Bracket Echo TR Bottom Bracket](https://cdn11.bigcommerce.com/s-ig1k71qc/images/stencil/300x300/products/118/1616/ECHO_BOTTOM_BRACKET_ISIS_STEEL_01__26449.1710771808.jpg?c=2)
Spindle only.
This is Echo's 124mm wide, steel ISIS Bottom Bracket. Compatible with Echo and Czar press-fit bottom bracket shells.
Spindle only.
This is Echo's 124mm wide, steel ISIS Bottom Bracket. Compatible with Echo and Czar press-fit bottom bracket shells.