Quick Summary
The Crankbrothers Multi-20 Bicycle Multi-Tool is a gold bicycle multi-tool with 20 high tensile steel tools. It combines chain, tyre, valve, spoke, hex, Torx and screwdriver functions in one compact hand tool for general bike adjustment and trail-side repairs.
The main point to check is whether the tool set matches the work you expect to do. It includes a chain tool for 8, 9, 10, 11 and 12 speed chains, plus tyre plug tools, a valve core removal tool and a rotor straightener.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Crankbrothers, for buyers who want the named model range. |
| Product type | Bicycle multi-tool, combining several bike repair functions in one tool. |
| Colour | Gold. |
| Tool count | 20 tools, giving a broad mix of common bike repair functions. |
| Material | High tensile steel tools. |
| Chain tool | Compatible with 8, 9, 10, 11 and 12 speed chains. |
| Speciality tools | Tyre plug tool, tyre plugs, valve core removal tool and rotor straightener. |
| Hex wrenches | 2, 2.5, 3, 4, 5, 6 and 8 mm. |
| Torx | T10 and T25. |
| Screwdrivers | Phillips #1 and #2, flathead #1. |
What to Compare Before Buying
- Chain compatibility: This model includes a chain tool for 8 to 12 speed chains. Check that this matches the drivetrain work you expect to do.
- Tool selection: Compare the hex, Torx, screwdriver and speciality tools against the fasteners on your bike.
- Repair scope: The tool set includes tyre, valve and rotor-related functions, so it suits buyers who want more than a basic hex-key set.
- Carry setup: As a multi-tool, the main choice is whether this mix of tools covers the jobs you want from one item.
Before You Decide
Confirm that the 20-piece tool set matches your bike maintenance needs, especially the chain speed range and the fastener sizes you use most often. Check whether you want the added tyre, valve and rotor tools or a simpler multi-tool instead. If chain tool compatibility matters, compare it with your drivetrain before choosing an offer.









