The sks cagebox is a lightweight plastic transport box which is perfect for carrying the essential tools you may need when you39re out riding the box comes with a bag and it39s been designed so you can easily fit it into a bottle cage this cagebox is perfect for longer rides and it can hold a minipump spare tube and a mini tool sks cagebox features lightweight plastic transport box with a bag fits nicely in a bottle cage fits a minipump spare tube and a mini tool pr