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Oct. 4, 2017, 11:51 a.m. -  bikerider

Hope has a rear boost kit listed: [HUB CONVERSION KITS & PART NUMBERS]( "HUB CONVERSION KITS & PART NUMBERS") Rear hub conversion kits:  Pro 2 EVO/Pro 4 Rear Boost Conversion Kit HUB493 It isn't available yet though.

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