Fancy a bike computer, but don't want the bulk? The CoreCap is a minimal alternative that slides right into your mountain bike's steerer tube and looks like it was meant to be there. "Easy installation with no tools or modifications to your bike," writes Core Bike Components, the startup that developed the product.

"Fits all MTB forks. Each CoreCap comes with 3 lengths of bottom bolts that allow you to install it on forks with steerer tubes reaching from 15cm-30cm. No special tools required – simply remove your existing top cap and star nut and slide the CoreCap in place. Take the bottom bolt with the protective cap and screw it to the CoreCap device from the bottom of the fork. You're all ready to go!"

As for what the computer computes, you can choose from a host of functions to place on up to five preset screens, which you scroll through by rotating the dial around it:

Here's the pitch vid showing it in action:

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The CoreCap has been successfully Kickstarted, and there's still 41 days left to get in on it. At press time there were still a few Early Bird units left at $273, but you'll have to be a bit patient: Units are expected to ship by April of next year.