WTB Proterra Light i25 Front Wheel – 700 12 x 100mm Center-Lock Black 28H. 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 youre crushing a gravel ride or have your frame bag bursting at the seams for an overnight adventure.

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