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Undersaddle Mini Bag

4 out of 5 stars
2 Reviews



Undersaddle Mini Bag

You probably won't notice Castelli's Undersaddle Mini most of the time, but at some point, what you put inside of it will probably be the difference between you calling your spouse to come pick you up on the side of the road or just changing your tube and getting on with your ride. It's called the Mini Bag for a reason, so pack your ride essentials and leave the unnecessary stuff at home. Noticing the bag under your saddle wouldn't be such a bad thing either — it's made out of sleek, water-resistant material with Castelli's signature clean lines and classic style, and it's even sealed with a water-resistant zipper to keep your stuff safe during a shower.  Reflective accents help keep you visible to motorists any time of the day, and the bag attaches cleanly and securely to your saddle with a hook-and-loop strap.


  • Compact, weather-resistant bag built for under saddle storage
  • Water- and stain-resistant materials with a water-resistant zipper
  • Hook-and-loop attachment straps adjust to fit any bicycle
  • Internal storage pocket sized for valuables
  • Reflective accents assist with low-light visibility
  • Item #CST00AH
1 main
water resistant zipper
5 x 13 X 5 cm
Recommended Use
Manufacturer Warranty
30 days