First Impressions: Crankbrothers f15 Multi-Tool

If there is one bike accessory that absolutely defines the Goldilocks condition it’s the multi-tool. Too big and you don’t want to carry it. Too small and it doesn’t provide enough leverage. Finding a tool that balances size and functionality can be a real challenge. Crankbrothers hopes to snag that elusive just right ranking with the company’s new f-series of multi-tools.

Thanks to their sleek, folding design, Crankbrothers’ f-series tools fit easily in your backpack, pocket, or seat bag. All three f-series tools share the same basic design, but the f10+ and f15 feature magnetized outer shells designed to hold everything together and provide additional leverage. Prices range from $29.99 (f10) to $42.99 (f15), and all models come with a 5-year warranty. I spent the past several weeks testing the top-of-the-line f15 model at home and in the field.

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