- New system ISIS Bottom Bracket from Echo. with 124mm axle.
- Uses press-fit bearings, like the Spanish BB system used in BMX.
- Uses a larger bearing than traditional ISIS BBs, making it spin smoother for longer.
- Only suitable for use with Echo, Adamant and Czar 24" frames, plus 2011 Echo and ZOO! trials frames with press in bearing system (without threads).
- Comes in either steel or titanium (ti-nitride gold coloured) axle version.
- Comes complete with Black
Echo SL Crank Bolts, bearings, spacers and spindle.
- Complete weight including crank bolts: 197g (Titanium), 262g (Steel)

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I have a NS Capital 2 Frame with a Spanish BB just wanted to know will it fit ?
Posted by bobby on 30/11/2010
Reply from TartyBikes on 30/11/2010
Hi Bobby, The bearings will fit in your frame fine, but the spacing of your bearings is more important - because the Echo BB doesn't use a tube spacer like a normal Spanish BB you'll need a BB shell with a 48mm gap between the bearing seats. Thanks, Mark