JT Gold Twinstar Rear Sprocket to fit Suzuki RM125 G 1986. JT Gold Twinstar Rear Sprocket to fit Suzuki RM125 D 1983. Chain & Sprocket Kits. JT Rear Sprockets. 39T JT Steel Rear Sprocket JTR1316.39. 56T JT Steel Rear Sprocket JTR1134.56.
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