Crankbrothers Multi Tool M 19 — Matte Black 19‑function compact trailside tool, chain & hex/torx compatible

The Crankbrothers Multi Tool M 19 in Matte Black is a compact, 19-function trailside tool designed to handle hex, torx, spoke, chain, and common fastener repairs while riding.

This slim, durable multi-tool packs high-tensile steel implements into an 89mm body weighing 175g, delivering a precise fit and ergonomic side grips for confident use even while wearing gloves. It combines a full set of hex and torx keys, open wrenches, spoke wrenches, screwdrivers, and a chain tool compatible with 8–12 speed chains — all backed by Crankbrothers' lifetime warranty. The finish and tolerances are intended to give reliable engagement on fasteners so you can make quick adjustments and get back on the trail.

What tools are included and what repairs can I perform?

The M 19 covers the everyday mechanical needs of most cyclists, from brake and derailleur tweaks to wheel truing and emergency chain fixes. Its toolkit is configured for broad compatibility with modern drivetrains and common bike hardware.

• Hex wrenches: #2, 2.5, 3, 4, 5, 6, 8 for stem, brake, and component bolts.
• Torx: T-10 and T-26 for rotor bolts and many modern bike parts.
• Screwdrivers: Phillips #1 & #2, flat #2 for derailleur and accessory adjustments.
• Open wrenches: 8mm and 10mm for brake pads, axle nuts, and accessories.
• Spoke wrench: sizes #0–3 for minor wheel truing.
• Chain tool: compatible with 8/9/10/11/12-speed chains for on-the-spot chain repairs.

How does the M 19 feel and perform under real trail conditions?

Crankbrothers designs the M 19 with textured side grips and a matte finish to improve handling when hands are wet or gloved. The high-tensile steel implements are precision-cut to reduce play on fasteners and offer positive engagement so you can apply torque confidently.

• Ergonomic side grips: secure hold while wearing gloves or in muddy conditions.
• High-tensile steel tools: designed for strength and accurate fit on bolts and chain pins.
• Matte black finish: low glare and durable against scratches from regular use.

Is the chain tool compatible with my drivetrain and how reliable is it?

The integrated chain tool is built to work across a wide range of modern bicycles, supporting 8 through 12-speed chains so it handles most road, gravel, and mountain setups. It’s intended for emergency repairs and temporary reassembly to get you home or to the trailhead.

• 8–12 speed compatibility: covers older and current multi-speed chains.
• Compact design: allows chain repair without adding a bulky separate tool.
• Use as a service tool: suitable for trail repairs; for complex replacements, follow manufacturer guidance.

How portable is the M 19 and how does it integrate with my kit?

The Multi Tool M 19 measures 89mm and weighs 175g, making it easy to stow in a saddle bag, jersey pocket, or pack tool compartment. Its slim profile and solid construction mean you get broad capability without significant bulk or weight penalty.

• Compact length (89mm) and slim profile for easy storage.
• Lightweight at 175g, suitable for race, mountain, or commuter setups.
• Durable build with lifetime warranty offers long-term value over single-purpose tools.

Who is this for? The Crankbrothers Multi Tool M 19 Matte Black is aimed at cyclists who want an all-in-one, dependable trailside solution: mountain bikers who need glove-friendly ergonomics, gravel and road riders who want chain tool capability for modern drivetrains, and commuters who prefer a compact, high-quality tool that lives in their pack or saddlebag. It balances breadth of function with a slim, durable package for riders who value preparedness without extra weight.