Refresh your Surron Ultra Bee drivetrain with a DirtyBike 520 X-ring chain and steel sprocket kit. Larger rear sprockets increase rear-wheel torque and acceleration at the expense of top speed.
520 X-ring sealed chain
Durable zinc-coated steel sprockets
Precision-cut, beveled sprocket teeth
Available ratios: 13T/50T, 13T/52T, 13T/54T, and 13T/56T
Fitment: Surron Ultra Bee. Choose the front/rear tooth-count combination from the options. Confirm chain alignment, clearance, and adjustment after installation.
October 21–November 3: Free Warp9 31.8mm handlebars with an eligible in-stock Sur-Ron or E Ride Pro bike purchase.
Choose your Warp9 handlebar color and add the bars to your cart with an eligible bike. The handlebar discount applies automatically at checkout during the offer dates—no code needed.
One set per eligible bike, while supplies last. Confirm clamp compatibility before ordering. Handlebars ship separately at no extra charge. Cannot be combined with other discounts. Questions? Contact Radmoto.
