FOR SALE: Mylaps AMB Go Kart transponder. Classic. no subscription required. AKA approved. $260 including express post in Australia (or $250 pickup... | By Transponder Services | Facebook
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Invelion Timing Chip Transponder 2.4GHz Active RFID Reader Decoder per Motocross Mountain Bike Go Kart Speed Car Race Timing - AliExpress
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