Brand New 44-Tooth 6-Bolt Sprocket (Use 8mm Chain) For X7 Pocket Bike (49cc, 2-stroke) The 2-stroke X7 Pocket bike use a stock 54 tooth sprocket. So this smaller 44 tooth sprocket, will give you more TOP SPEED. Please note! Since you are changing to a smaller sprocket, you need to use a shorter chain. The sprocket fits the X7 pocket bike pictured above. USA Seller. Free ship cost we ship the same business day, all parts place before 4pm Pacific standard time.
Returns Accepted for this item if it's within 30 Days