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Surron Bikes & Parts
SURRON BIKES & PARTS
EBMX Sirris Competition Tuned - Rear Shock for Ultra Bee Full Screen
Tracked Ground Freight
2 Years Limited Warranty
30-Day Hassle-Free Returns
Spare Parts

EBMX Sirris Competition Tuned - Rear Shock for Ultra Bee

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SKU: SHK207
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Brand: EBMX
$755.68

The shock absorber on a motorcycle is a key component of the suspension system designed to dampen and control the impact of road irregularities and vibrations. It absorbs and dissipates energy from the road or trail, providing a smoother and more stable ride by controlling …

In Stock
Performance Highlights
Motor Output: 21 kW Peak Power PMSM Mid-Drive
Battery Spec: 74V 55Ah High-Output Pack

Product Overview

The shock absorber on a motorcycle is a key component of the suspension system designed to dampen and control the impact of road irregularities and vibrations. It absorbs and dissipates energy from the road or trail, providing a smoother and more stable ride by controlling the rate at which the motorcycle’s suspension compresses and rebounds. Typically consisting of a piston, hydraulic fluid, and a spring, the shock absorber helps maintain wheel contact with the road, improves handling, and enhances rider comfort.
Balanced Performance
Balanced load, race-ready, high performance. No matter how hard you ride or how many laps you take, closed cartridge will never fade and will always feel predictable.
Direct Swap
The shock has easy installation, 320 mm length (85 mm stroke) bolts directly onto a stock Ultra Bee.
High Durability Finishing
Type 3 hard anodized body cap, body, reservoir, end cap, spring hardware, and clevis. Induction heat treated, hard chrome hollow shaft. The rear shock will look like new, even after thousands of miles.
Extremely Easy to Rebuild
Fully serviceable design ensures easy rebuilds.
This shock comes with the 105N/mm spring fitted.

Technical Specifications

BrandEBMX
SKU IdentifierSHK207
Motor Architecture21 kW Peak Power PMSM Mid-Drive
Battery Pack74V 55Ah High-Output Pack
Warranty Term2 Years Limited Warranty

5.0

Based on 1 verified rider reviews

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Customer Reviews

Alex
Verified Owner
Oct 05, 2026
Rugged and reliable

Took it out on rocky singletracks this weekend and it took all the abuse with ease. High-quality craftsmanship throughout.

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

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