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B1 420 Rear Wheel Sprocket
$40.00
This is a stock 45T rear wheel sprocket replacement for 2026 and newer B1 420 chain set ups (black QS 120 motor)
Will NOT work with older T8F or #35 chain set ups (silver motor)
Available to Order
Pairs well with
B1 420 Rear Wheel Sprocket
$40.00