Serfas ST-11i CO2 Tool
Serfas

Serfas ST-11i CO2 Tool

4.4

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

Out of stock

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.

Excellent

Tool Versatility

Covers the vast majority of roadside adjustments with essential hex sizes.

Excellent

Inflation Speed

Integrated CO2 head delivers rapid, reliable pressure when seconds matter most.

Excellent

Build Durability

Robust construction withstands the rigors of trailside repairs and rough handling.

Good

Valve Compatibility

Seamlessly switches between Presta and Schrader without needing extra adapters.

Excellent

Ergonomics

Functional design, though tight spaces can make leverage slightly challenging.

Good

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.

Serfas ST-11i CO2 Tool

Ready to buy?

Jay's Cycles
Jay's Cycles
Out of stock
$51.00
Buy