JXR Chain Adjusters Blocks to Fit Sur Ron Ultra Bee

5.0 (1 customer reviews)

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SKU: SR-JXR-CHAIN--5677

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Brand: Surron

$29.07

JXR Chain tensioner blocks to fit Surron Ultra Bee.

In Stock

Performance Highlights

Motor Output: 21 kW Peak Power PMSM Mid-Drive

Battery Spec: 74V 55Ah High-Output Pack

Product Overview

JXR Chain tensioner blocks to fit Surron Ultra Bee.
Designed specifically for the Surron Ultra Bee, these blocks make chain adjustment a breeze while giving your bike a sleek, factory-fresh look.
Unlike stock parts, our blocks are designed to stay in place during rear wheel removal, making maintenance easier.
Crafted from billet 6061 aluminum and anodized in your choice of color, offering both durability and style.

Technical Specifications

Brand	Surron
SKU Identifier	SR-JXR-CHAIN--5677
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

David

Verified Owner

Oct 05, 2026

Sensational performance and torque

The power delivery is instantaneous. Built like a tank, completely silent, and climbs steep grades with zero hesitation. Best purchase this year.

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