50cc Scooter Gearbox Casing 139qma 139qmb For Jiajue Revenge 50a on 2040-parts.com

All orders with payments received by 3pm will be dispatched on the same day (except weekends and bank holidays). We aim to have your order delivered the next working day (UK customers only).

Product Enquiries

If you require any further information on this product, please feel free to contact us on 0844 567 8887 or by email at

It's always better to be prepared than to be caught off-guard, and we want to help keep you on the road as much as possible.

Free Delivery for subsequent items;
    We only charge the delivery cost of one item (highest charge takes priorty) and all other items are delivered FREE.

Free Delivery for orders over £100;
    For bigger savings, any order that exceeds £100 (or £200 for delivery outside UK) we will deliver your entire order for FREE. We only require that all items are paid for at the same time for eBay to automatically apply the free delivery.

eBay should adjust the delivery cost automatically, however if this does not happen please send us an email after you've visited the checkout and we will adjust the cost manually for you and refund you the difference should you have already paid. All you need to tell us is 'Please apply multiple item savings'; we'll take care of the rest for you.

You CAN get parts for Chinese Bikes!

Whatever your part needs, be it a bearing or fairing, the chances are we can help- regardless of the make of your vehicle or the part not showing in our shop. Just email us a clear picture of the part that you require and the the make and model of your vehicle and we'll reply within 1 working day, if not much sooner.

We list over 70,000 parts in our Catalogue and our stock is warehoused in the UK, with over 80,000sq foot of storage to cover over 180 models from over 50 different manufacturers. Not only that, we constantly run stock and compatibility checks to make sure you are getting the best service, and our secure and verified ordering and dispatch system means you can have your parts the very next day.

We stock large quantities of spares and parts of all types (including electrical, cables, mirrors, lens, indicators, exhausts, fairings, lock sets, brakes, wheels, gaskets, batteries, chains and sprockets, to name but a few) for road legal scooters, mopeds and motorcycles from AJS, Aprilia, Baotian, Bashan, Benzhou, BTM, Chituma, CPI, CTM, Dafier, Dayang, Direct Bikes, Easy Rider, FYM, Geely, Generic, Giantco, Gilera, Guoben, Haizhimeng, Hanglong, Haotian, Honda, Honglei, Huatian, Huoniao, Jialing, Jianshe, Jinan, Jincheng, Jinlun, JM Star, Jonway, Kaisar, Kangchao, Keeway, Kinlon, Kinroad, Kymco, Leike, Lexmoto, Lifan, Lingben, Loncin, Longjia, Megelli, New Era, Norton Villiers, Orion, Piaggio, Peugeot, POR, Pioneer, Pulse, Qingqi, Regal Raptor, Saiting, Sanben, Sanli, Sanya, Shineray, Sinnis, Skygo, Skyteam, Sonik, Starway, Stomp, Sukida, Superbyke, SYM, Taishan, Tamoretti, Urban, Venture, Vonroad, Wangye, Wuyang, Xingyue, Xinling, Xiongtai, Yamasaki, Yamati, Yiben, Yiying, Yuan, Znen, Zennco, Zhenhua, Zing, Zongshen, etc.

Do you own a motorcycle service/repair shop?

We would like to take this opportunity to formally introduce our company, and thank you for your interest in our products. We are committed to providing the best quality machines and parts at the most competitive prices, whilst providing an unparalleled level of backup and service.

With over 100 dealers nationwide we are one of the UK's largest wholesalers and distributors of learner legal Motorcycles, Scooters and parts. We are currently looking to expand this network to offer retail customers the best possible coverage.

We stock and supply one of the largest ranges of road legal scooters and bikes (between 50cc to 250cc), more details of which can on our website. All our road legal products are inclusive of up to 24 months parts and labour warranty*. Our warehouse facilities include over 80,000 sq ft of parts and vehicle storage.

Our parts catalogue can be found through our dedicated parts website. Through this site you are able to view prices and place parts orders any time of the day or night with accurate stock information displayed online. Not only do we provide a comprehensive backup on our own machines, but we are also able to supply parts for other Chinese, Korean, Asian and European models listed on the site. Our catalogue of Chinese motorcycle parts is currently the most comprehensive in Europe.

Are you constantly asked for Chinese scooter and motorcycle parts and repairs? Contact us today; you'll be surprised by the range we have to offer from our multiple-tiered 80,000 sq. ft warehouse! See our About Us page for more information!

FREE DELIVERY

For subsequent items;
    We only charge the delivery cost of one item (highest charge takes priorty) and all other items are delivered FREE

Orders over £100;
    For bigger savings, any order that exceeds £100 (or £200 for delivery outside UK) we will deliver your entire order for FREE. We only require that all items are paid for at the same time for eBay to automatically apply the free delivery.

Postal Address

All orders are sent to the current postal address registered to your eBay account at the time of payment being received, unless you request otherwise in writing within the 10 minutes immediately after you send payment. For security purposes, we reserve the right to refuse dispatch to certain addresses at our discretion. Existing customers should note that the postal address of this order will override any previous address held on your account with us, including purchases outside of eBay, unless you instruct us otherwise in writing.

Contact, ordering and Dispatch

You can also browse all other related listings in our eBay shop to get the right parts for your scooter or bike! Any enquiry made through eBay will be replied to as soon as possible, and we guarantee to leave you positive feedback the moment we have received your payment so you will never need to chase us! All orders with payments received by 3pm will be dispatched on the same day (except weekends and bank holidays). We aim to have your order delivered the next working day.

Our Opening hours are 9:00 - 17:00 Monday - Friday, excluding Bank Holidays. Please note that collection is NOT available.

Special Instructions

If you need to leave any notes or instructions to us for your orders, please make sure that you send us a separate email or "Ask a question" within 10 minutes AFTER you make the payment. Please also make sure that you send us all correspondences between us prior to your purchase if they may affect the way we should process your order.

Please do NOT include any notes at eBay checkout or together with Paypal payment.

Our eBay orders are automatically uploaded in bulk to our order processing system, so any relevant correspondence prior to payment, such as notes/instructions provided at eBay checkout or with Paypal payment will not be uploaded and therefore will not be read by the staff processing your order.