EBMX Competition Jackshaft For Sur Ron Ultra Bee

5.0 (1 customer reviews)

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SKU: SR-EBMX-COMPE-8763

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Brand: EBMX

$351.04

Upgraded Jackshaft for Sur Ron Ultra Bee Bikes.

In Stock

Performance Highlights

Motor Output: 21 kW Peak Power PMSM Mid-Drive

Battery Spec: 74V 55Ah High-Output Pack

Product Overview

Upgraded Jackshaft for Sur Ron Ultra Bee Bikes.
Please note: Jackshaft only.

Technical Specifications

Brand	EBMX
SKU Identifier	SR-EBMX-COMPE-8763
Motor Architecture	21 kW Peak Power PMSM Mid-Drive
Battery Pack	74V 55Ah High-Output Pack
Warranty Term	2 Years Limited Warranty

5.0

Based on 1 verified rider reviews

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Customer Reviews

whistler_rider

Verified Owner

Oct 05, 2026

Genuine OEM factory quality

Exact fit, precision tolerances, and exceptional packaging. Arrived in Alberta in 3 business days via tracked freight.

Surron Freight & Warranty Guarantee

Shipping Policies

E-bikes ship with specialized heavy freight ground carriers in custom reinforced double-walled protective cartons. Delivery typically completes in 3–5 business days. Free shipping applies automatically to all orders over $500.

2-Year Limited Warranty

Surron electric bikes carry an extensive 2-year warranty covering frame integrity, motor internals, and electronic controllers against manufacturing defects. Battery packs are guaranteed to retain at least 70% capacity through 500 charge cycles.

Component Synergies