Echo Urban Spanish bottom bracket

Press fit spanish ISIS BB as found on Echo / GU / ZOO / Adamant / Czar frames.

• Hollow ISIS axle made from steel, 128mm wide
• High quality sealed bearings
• Aluminium spacers and 7075 CNC machined M15 Echo bolts included
• Spacers compatible with Echo splined freewheel interface
• Weight: 265g