ReBuilding the Ultimate Sur Ron XX Electric Dirt Bike with ECR and GritShift.

See below for a list of the parts mentioned in this video. [https://bit.ly/ECRParts]

KO RS Motor: https://bit.ly/KORSMotor
KO Pro Series Controller: https://bit.ly/KOProController
EXT Arma EMX Shock: https://bit.ly/EXTArmaMX
EBMX 72v 42Ah Battery: https://bit.ly/EBMX72v42Ah
Hayes Dominion Brakes: https://bit.ly/HayesDominionA4
Warp 9 54T Sprocket: https://bit.ly/Warp9ChainSprocketCombo
Warp 9 Linkage: https://bit.ly/Warp9Linkage
Warp 9 Handlebar: https://bit.ly/Warp9Handlebar
Excel Woodys Wheel Combo: https://bit.ly/ExcelWheelCombo
4MF Surron Plastics Kit: https://bit.ly/4MFSurronKit

Find Surron Electric Dirt Bikes For Sale: https://bit.ly/ECRMarketplace

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This build started in 2020 from a stock Sur Ron XX Ludicrous edition from Luna Cycle. The power increase on the Sur Ron XX made it a great candidate for an electric dirt bike build platform. The Original SurRon XX Build featued a Fox 40 Fork, FOX DHX RC4 Shock, Woodys Wheel Works 21"/18" Excel Wheel Combo and a bunch of other hard parts.

Since then, it has seen several variations. Being the first candidate to receive a 4MF Kit. We temporarily switched the bike back to a Woodys Wheel Works 19"/16" Excel Wheel Combo.

In the build series, we removed the stock SurRon motor and replaced the motor with a KO RS Motor, which is paired to a KO Pro Series controller. This KO Combo will allow for a lot more power, tuning capability and better cooling for the powertrain.

We ditched the Fox Shock and added the EXT Arma EMX Shock and paired that with a Warp 9 1.5" Linkage while we wait for the .75" Linkage and Warp 9 Triangle.

With all that power, we need better brakes, so we fitted the Surron XX with a Hayes Dominion A4 Brake Kit.

We also added Warp 9 Handlebars, GritShift Axle Blocks and a Warp 9 54T Sprocket.

Tune in for the next video for the Ultimate Surron XX Bike Build.

Sur Ron XX: (0:00)
Build: (0:31)
Issues: (1:29)
Tune Testing: (4:39)
Dirt Testing: (7:32)
What's Next: (12:58)