Proterra Light i25 wheels are for all you gravel riders out there. Proterra Light i25 wheels feature an open-cavity profile to minimize weight and maximize efficiency as you get lost out where the pavement ends. Like all other Proterra wheels, the responsive 6-pawl freehub offers 5 degrees of reliable engagement whether you're crushing a gravel ride or have your frame bag bursting at the seams for an overnight adventure. - Frequency Hub with top-tier EZO bearings - 25mm TCS Tubeless compatible rims with 3-cross lacing and alloy nipples, hand-built in California - Swift 6-pawl freehub and 5 degrees of engagement - Solid rim strip and TCS tape included