Thank you for your interest in BK Servo products. You have two options in order to take advantage of this special offer:

1. Contact your favorite retailer to see if they are participating in our special pricing for new Goblin 500 sport owners! You can find a list of retailers by visiting this URL: —if your favorite retailer is participating, they will provide you with instructions on how to obtain your discount.

2. Send proof of purchase directly to us, you can email a picture or a scanned copy of your Goblin 500 Sport purchase receipt directly to Be sure to tell us whether you want the full size or mini size servo offer. We will create an order for you and email you an invoice along with a payment link, you can then pay for your order using PayPal or a major credit card.