Tube, CO2, tyre lever and hex key in a bag that disappears behind your saddle. Three years in development, tested over more than 20,000 kilometres.
Free cancellation until shippingDeliveryNovember 2026Shipping within Switzerland
The bag is narrower than your saddle and sits fully in its slipstream.
163gSum of the parts
| Part | Weight |
|---|---|
| Bag | 28g |
| TPU tube with tube band | 31g |
| 16 g CO2 cartridge in sleeve | 67g |
| CO2 head | 8g |
| Tyre lever | 8g |
| 6 mm hex key (CNC) | 21g |
| Total | 163g |
Every part has its fixed place. Nothing slides, nothing rattles.
The straps wrap around the saddle rails and hold the bag without play. Tested on six road saddles.
There is a QR code on the tube band. After the repair you scan it and reorder a tube and cartridge. The refill kit usually reaches you in 2 to 4 working days.
Refill kitCHF 39
To the refill kitEvery version was ridden, weighed and improved until nothing rattled any more. The current version has covered more than 10,000 kilometres, at −20 °C as well as at +40 °C.
6road saddles tested
Not suitable for heavily padded city saddles.
6mmhex key
The hex key is 6 mm. Check whether your thru-axle needs 6 mm.
60mmvalve
The tube has a 60 mm valve.
| System weight, packed | 163g weighed, production ±1 g |
|---|---|
| Weight of the bag | 28g |
| TPU tube with tube band | 31g |
| 16 g CO2 cartridge in sleeve | 67g |
| CO2 head | 8g |
| Tyre lever | 8g |
| 6 mm hex key (CNC) | 21g |
| Dimensions (L × W × H) | 93 × 43 × 47 mm |
| Material | 3D-printed TPU, one piece in multi-material printing, ultrasonically welded joints |
| Mounting | Straps around the saddle rails |
| In the box | Bag, TPU tube with tube band, 16 g CO2 cartridge in sleeve, CO2 head, Tyre lever, 6 mm hex key (CNC) |
| Valve length | 60 mm |
| Hex key | 6 mm, CNC-machined |
| Tested temperature range | −20 °C … +40 °C |
| Warranty | 2 years under Swiss law (Art. 210 CO) |
The straps wrap around the saddle rails. Tested on six road saddles. Not suitable for heavily padded city saddles.
The hex key is 6 mm. Check whether your thru-axle needs 6 mm.
The tube in the kit has a 60 mm valve.
Delivery November 2026. You pay when you order and can cancel free of charge until shipping.
Not yet. At launch we ship to Switzerland only.
Scan the QR code on the tube band. It takes you straight to the refill kit with TPU tube and CO2 cartridge. It usually reaches you in 2 to 4 working days.
The bag is printed in one piece from TPU using multi-material printing, with ultrasonically welded joints. It weighs 28 g. It took over 100 prototypes to reach its current shape.
CHF 129
Payment when you order. Free cancellation until shipping. Delivery November 2026. Shipping to Switzerland only. 2-year warranty.
Free shipping. Returns within 30 days of receipt, return shipping on us.