Crankbrothers Multi Tool M19 — 19-function trailside bike tool, Matte Black, compact with chain tool

The Crankbrothers Multi Tool M 19 Matte Black is a compact, 19‑function trailside bike tool built from high‑tensile steel with side grips and a slim profile for reliable on‑trail repairs.

Purpose-built for riders who want a single, travel‑friendly tool that covers most roadside adjustments, the M 19 blends durable materials with a precise fit and finish. At 89 mm long and 175 g, it balances portability with a wide toolset, including hex keys, screwdrivers, a chain tool compatible with 8–12 speed drivetrains, spoke wrenches and two open wrenches. The textured side grips make handling easier when wearing gloves, and Crankbrothers backs the tool with a lifetime warranty.

What tools are included and what tasks can it handle?

The M 19 includes a comprehensive set of common bike tools so you can tackle most trailside tightening, adjustments, and minor repairs. It brings together hex bits, Torx drivers, screwdrivers, spoke wrenches, open wrenches, and an integrated chain tool suited to modern drivetrains.

• Hex wrenches: #2, 2.5, 3, 4, 5, 6, 8 for stem, seat clamp, derailleur and brake bolts
• Torx: T10 and T26 for rotor bolts and component fasteners
• Screwdrivers: Phillips #1 & #2 and flat #2 for cable adjustments and accessories
• Open wrenches: 8 mm and 10 mm for pedals, axle nuts and accessories
• Spoke wrenches #0–3 to true wheels and correct tension issues
• Chain tool compatible with 8–12 speed chains for split or repair on the trail

How easy is it to use while riding—especially with gloves on?

Crankbrothers designed the M 19 with ergonomics in mind: low profile but with sculpted side grips that improve purchase while working with cold or muddy gloves. The tool’s levers are arranged for straightforward deployment so you can access the right bit without fumbling.

• Textured side grips for better control in wet or cold conditions
• Compact 89 mm length for one‑handed carry and simple storage
• Slim profile slides into packs or saddle bags without snagging
• Clearly grouped bits reduce time spent searching for the right tool

Will the chain tool work on modern drivetrains and different chain speeds?

The M 19’s chain tool is built to handle a broad range of modern bicycle chains, covering 8 through 12‑speed systems. That makes it suitable for most mountain and gravel bikes, allowing you to remove, replace, or rejoin chain links during a ride.

• Compatible with 8/9/10/11/12 speed chains for wide drivetrain coverage
• Robust high‑tensile steel construction to withstand trail use
• Precise alignment features for correct pin removal and insertion
• Integrates into the multi‑tool to save space and weight

How durable and travel‑ready is the M 19?

Made from high‑tensile steel with a matte black finish, the M 19 is engineered to resist wear from repeated use while keeping weight low. Crankbrothers supports the tool with a lifetime warranty, reflecting confidence in its durability and long‑term serviceability.

• High‑tensile steel construction for strength and longevity
• Matte black finish reduces glare and hides wear
• Compact 175 g weight for minimal pack impact
• Lifetime warranty for peace of mind on long rides

Who is this for: The Crankbrothers Multi Tool M 19 Matte Black is ideal for mountain, gravel, and commuter cyclists who want a single, reliable multi‑tool that covers most mechanical needs on the road or trail. It suits riders who value a compact, glove‑friendly design, need broad drivetrain compatibility (including 12‑speed chains), and prefer a durable tool backed by a lifetime warranty. If you carry minimal kit but want maximum capability, the M 19 is designed to be your go‑to trailside companion.