Castelli Undersaddle Bag - Black BackInStock-23-04-2026 No athlete can go without

No athlete can go without it

This means

Arch bracing: for additional support

Stealth® C4™ rubber outsole for unbeatable grip

Castelli Undersaddle Bag - Black BackInStock-23-04-2026 No athlete can go withoutPart of the Castelli Race bags range, the Undersaddle Mini is the perfect bag for sticking on your road bike to carry some summer essentials. Super compact this fit and forget under saddle, seat pack can be crammed with a couple of (road) inner tubes 18 25mm a multi tool, a spare link and a few 10s. In short most of the things you might require on a ride. It fits with a single strap (through the rails no need for a seatpost stabiliser), this strap