WARP 9 RACING ULTRA BEE AXLE BLOCKS/CHAIN TENSIONERS

5.0 (1 customer reviews)

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SKU: SR-WARP-9-RAC-3653

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Brand: Surron

$40.70

Includes 2 M8 Burnt blue Titanium Adjuster bolts

In Stock

Performance Highlights

Motor Output: 21 kW Peak Power PMSM Mid-Drive

Battery Spec: 74V 55Ah High-Output Pack

Product Overview

Includes 2 M8 Burnt blue Titanium Adjuster bolts
Aluminum axle block are keyed to keep the axle from rotating while loosening or tightening the axle nut
Captive block design, the adjuster bolts keep the axle blocks in place and never fall out
Adjuster bolts are designed with a 3mm Allen key for quick and easy initial installation
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After first install you will use the 10mm wrench for
Titanium adjuster bolts wont rust or corrode
Includes copper antiseize lube for years of smooth trouble free adjustments.

Technical Specifications

Brand	Surron
SKU Identifier	SR-WARP-9-RAC-3653
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

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