Serfas ST-11i CO2 Tool
Best all in one for cyclists needing emergency repairs on the go.
This clever hybrid combines a full suite of essential trail-side repair tools with a built-in inflation head. It streamlines your emergency kit by merging two critical functions into one compact, durable package that handles everything from loose bolts to flat tires.
$51.00
Who it's for
- Cyclists needing a compact, all-in-one solution for trailside emergencies.
- Riders prioritizing speed and convenience for flat tire repairs.
- Commuters and recreational riders seeking a lightweight, easy-to-carry tool.
Who should skip it
- Long-distance cyclists or those preferring sustainable, reusable inflation methods.
- Mechanically inclined users requiring precise control for delicate bike components.
- Advanced mechanics or riders with unique bike maintenance requirements.
Performance breakdown
Portability
Compact footprint slides effortlessly into any jersey pocket or saddle bag.
Tool Versatility
Covers the vast majority of roadside adjustments with essential hex sizes.
Inflation Speed
Integrated CO2 head delivers rapid, reliable pressure when seconds matter most.
Build Durability
Robust construction withstands the rigors of trailside repairs and rough handling.
Valve Compatibility
Seamlessly switches between Presta and Schrader without needing extra adapters.
Ergonomics
Functional design, though tight spaces can make leverage slightly challenging.
Key Specs
Number of Tools
11
Weight
136 grams
Valve Compatibility
Presta and Schrader
Included Tools
8mm, 6mm, 5mm, 4mm, 3mm, 2.5mm, 2mm Allen Keys, Phillips Screwdriver, Flathead Screwdriver, T25 Torx
Integrated CO2 Inflator
Know before you buy
Still have a question?
Ask Metto anything about the Serfas ST-11i CO2 Tool before you decide.