Thru-Axle Kits

Grin is the first company to offer hub motor conversion systems for modern bicycles using thru axle hub standards. We have the Grin All Axle motor available in front wheel and single side applications for 20mm, 15mm, and 12mm axles sizes, and the Crystalyte UFO and Crown motors available in a rear 142x12 and 148x12 standard.

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