Description
Rear sprocket for the Surron Ultra Bee, machined from 7075-T6 aluminum in black, for the OEM 520 chain. Ten sizes: 40, 42, 44, 46, 50, 52, 54, 56, 58 or 60 teeth. $65.
More teeth means more low-end pull; fewer means more top speed. A big change in tooth count can need a longer chain; extra links are not included.
Not sure which size? Call (801) 699-7979, Monday to Friday 8:30 to 4:30 Mountain.












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