Zinn & the Art of Road Bike Maintenance, 6th Edition (Paperback)
Lennard Zinn's illustrated road bike repair manual, from fixing flats to disc brakes and electronic shifting - the 2024 6th edition, 520 pages.
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For Him / Her / Kids
Crankbrothers M19 Multi-Tool — the roadside fix kit in one folding tool
Crankbrothers M19 Bike Multi-Tool (Matte Black/Red)
Reviewed by the WhyToBuyThis team · Updated September 2026 · How we choose
Perfect for
- Road and gravel riders
- Roadside repairs
- Saddle bag kit
- Lifetime warranty
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Price: $34.99
Price may change on Amazon. As an Amazon Associate we earn from qualifying purchases. This won't cost you anything extra.
- Great gift ideaChosen for real-world gifting
- Hand-pickedCurated, not scraped
- Honest reviewThe catch, not just the hype
Why this gift works
The Crankbrothers M19 Multi-Tool folds 19 functions into one steel body: hex keys from 2 to 8 mm, T10 and T25 Torx, Phillips and flat screwdrivers, 8 and 10 mm open wrenches, spoke wrenches and a chain tool for 8- to 12-speed chains. Crankbrothers lists it at 175 grams and 89 by 45 by 19 mm, in high-tensile steel, with a lifetime warranty. This listing is the matte black and red colorway.
A loose bolt or a snapped chain can end a ride miles from home, and a good multi-tool is the difference between fixing it and calling for a pickup. The chain tool is what sets the M19 apart from smaller tools. It rides in a saddle bag or a jersey pocket, and it comes out for adjustments at home too.
Who is this gift for?
Great for
- A rider who does their own roadside fixes
- A new cyclist building a flat kit
- A commuter who rides every day
Think twice if
- They want an ultralight tool
- They need exact torque for carbon parts
The catch
At 175 grams it is not an ultralight tool, it has no tire levers, and it has no torque-limiting function, so it cannot set the exact torque that carbon parts need.
Skip if they already carry a full multi-tool with a chain tool, or need a torque wrench for a carbon bike.
Key specs
| Brand | Crankbrothers |
|---|---|
| Model | M19, matte black/red |
| Functions | 19: hex, Torx, screwdrivers, open and spoke wrenches, chain tool |
| Chain tool | 8- to 12-speed chains |
| Weight | 175 g |
| Size | 89 x 45 x 19 mm |
| Material | High-tensile steel |
| Warranty | Lifetime |
Worth knowing before you buy
- Other colors are separate listings.
- It measures 89 x 45 x 19 mm.
Why we like it
- Chain tool for 8- to 12-speed chains
- Covers the bolts on most bikes
- Lifetime warranty
- Fits a saddle bag
What to look for in a bike multi-tool
- Chain tool. Only fuller tools carry one, and it is what saves a ride after a broken chain. The M19 has it.
- Bit sizes. Check it covers their bike's bolts - 4, 5 and 6 mm hex and T25 are the common ones.
- Weight. Small tools weigh less; bigger tools do more. This one is 175 g.
- Tire levers. Some tools include levers; this one does not.
Questions people ask
19 functions: hex 2, 2.5, 3, 4, 5, 6 and 8 mm, T10 and T25 Torx, Phillips #1 and #2, a flat screwdriver, 8 and 10 mm open wrenches, spoke wrenches and a chain tool.
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