Check the listing for details. Hub adapter 1" higher performance made for SPOKE WHEEL BIKE-2 stroke engine. Condition: New. Listed at 36.66 USD. Key Product FeaturesPlease kindly note: 1.This 1 inch adapter can be used for our 3+6+9 hole multifunctional sprocket. 2. Do not works with 9 hole and 6 hole sprocket. 3. Not including sprocket only adapter 1" · Adapter fits 1 inch rear hub of SPOKE WHEEL BIKE with a diameter of 1"to 1.02" (FOR SPOKE WHEEL BIKE ONLY)· The Adapter is a durable aluminum unit that provides fast and easy installation.· The Adapter ensures concentricity with the wheel hub by using the unique two piece adapter that wraps around the rear wheel hub and enables you to drive the entire wheel instead of applying pressure on the spokes· 2pcs screw 12.9Grade/W3/8-16X1" ; 3pcs screw 10.9Grade/W5/16-18X1" · Package including 1pc 1" Adapter please note: The bigger three allen bolts diameter is 10mmOnly fit spoke wheel bicyclethe Adapter fits 1 inch rear hub of SPOKE WHEEL BIKE with a diameter of 1"to 1.02" (FOR SPOKE WHEEL BIKE ONLY)Does not works with 9 hole and 6 hole sprocket.This 1" rear hub adapter is compatible with our multifunctional sprocket 32T,36T,40T,56T and also compatible with our cnc 40T and 44T sprocket. ShippingCheck our feedback's to see what our customers say about the FAST shipping we offer Shipping is FREE to all addresses other than Alaska/Hawaii,APO/PO boxes .We ship FAST - We will ship the product on the second business day.We work with all major shipping companies (UPS, USPS, FedEx etc.) and provide TRACKING NUMBER to ALL orders.Please ensure that the address is verified and correct during checkout.We are always working hard to ensure your package arrives as soon as possible. Please understand that some factors like weather, high postal traffic, and the performance of shipping companies are outside of our control. PaymentWe accept payment via PayPal only.We will ship the item as soon as payment is cleared on PayPal. ReturnsWe stand behind our products. We offer a 30 Days Return Policy on items which you are not completely satisfied with.Returns are gladly accepted if it is in the original condition, including all manuals and accessories.You have the option for a full refund or an exchange of the item (subjected to stock availability).When sending in a return, please note that it can take up to 7 business days for the return to be processed. ContactWe take our customer happiness very seriously.We buy and sell online, so we understand the value of trust.If you are unsatisfied with your order, please contact and we will work with you to resolve any issue to your complete satisfaction.We are available 24/7 so you can expect a superior and extremely quick customer servicePlease use the Contact link at the top of the list.Looking forward hearing from you,DONSP1986 Team. Thank you so much for views, We truly care much more your purchasing experience,We are 100% dedicated to your complete satisfaction. if you have any questions,please freely to ask and I will do my best to get back to you promptly!Products usually shipped on the second business day and you will receive message of tracking id.DONSP1986 is registered officially in year 2012 and started business in year 2008, we can provide engine kits, high performance spare parts of engine, motorized bicycle and spare parts of bike. hope you can have a great time when shopping with us.