Heavy-Duty Drivetrain
Unleash Performance:

Heavy-Duty Drivetrain

Take your eBike to the next level. Climbing steep technical trails or cruising at high speed across open terrain, the CYC Heavy-Duty Drivetrain is engineered to deliver consistent performance in the most demanding conditions. Carefully engineered combination of high-performance components designed to offer reliability, durability, and smooth power delivery.


Heavy-Duty Drivetrain rear cassette

Why Choose the Heavy-Duty Drivetrain?

Created for riders who expect uncompromised strength and performance.

You are accelerating, climbing, or pushing speed on flat ground, this drivetrain maintains smooth shifting and dependable power transfer at all times. It features a 5-speed heavy-duty cassette, a reinforced AlexRims rear hub, and Microshift shifters and derailleurs, all tuned to work seamlessly together on high-torque eBike builds.

Key Features of the CYC Heavy-Duty Drivetrain

  • Durability
    Engineered to withstand high-torque eBike applications over long-term use.
  • Performance
    Optimized for smooth, quick shifts and efficient power transfer.
  • Versatility
    Ideal for steep climbs, load-bearing rides, and high-speed performance.
Heavy-Duty drivetrain components

Heavy-Duty 5-Speed Cassette

At the heart of the system is the HD 5-speed cassette, created to handle the intense torque output typical of high-power mid-drive systems.

Gearing Options

  • 15-30T range
  • Individual gears: 15T, 17T, 20T, 24T, 30T

Materials

  • Chromoly steel
  • Aluminum 7075

This combination offers the perfect balance between strength and reduced rotational weight.

Key Features

  • Optimized tooth profile for efficient power transfer under load
  • Straight chain line to reduce wear and improve drivetrain efficiency
Heavy-Duty 5-Speed Cassette

AlexRims eBike Rear Hub (55B Model)

The AlexRims 55B rear hub is built for riders who need reliable engagement and long-lasting strength.

Key Features

  • 24 engagement points
  • Provides responsive control with a 15-degree engagement angle
  • Ratchet-type freehub
  • Shimano HG compatible for broad compatibility
  • Steel thru-axle
  • Increases stiffness and durability under load

Why Choose It

  • Exceptional durability
  • Compatible with 6-bolt disc brakes
AlexRims eBike Rear Hub

Microshift Advent Trail Pro Shifter

The Advent Trail Pro shifter gives you precise and predictable shifts, even during climbs or technical transitions.

Key Features

  • Single-click operation for controlled shifts
  • Aluminum clamp construction for reliability and long life

Why It Works Well

  • Smooth and quick shifting
  • Easy installation
Microshift Advent Trail Pro Shifter

Microshift Advent Super Short Cage Clutch Derailleur

Designed for stability and chain control, the Super Short Cage Clutch Derailleur ensures clean shifting even under hard acceleration.

Key Features

  • Clutch mechanism to reduce chain slap and prevent drops
  • Steel cage and aluminum outer link for durability

Why Choose It

  • Excellent chain management
  • Perfect match for the Heavy-Duty 5-speed cassette
Microshift Advent Super Short Cage Clutch Derailleur

KMC e9 Turbo EPT Chain

The KMC e9 Turbo EPT chain is built specifically for eBike torque loads. Its anti-rust coating and smooth operation make it ideal for long-term performance.

Key Features

  • Anti-rust treatment for long lifespan
  • 1/2" × 11/128" inch configuration with 136 links
  • Designed for high-power eBike applications

Why It Works

  • Consistent performance under torque
  • Reduced friction for smoother shifting
KMC e9 Turbo EPT Chain

It Is All for the Torque

The CYC Heavy-Duty Drivetrain is engineered for the intense torque loads common in powerful eBike systems. Every component is selected to maintain reliability, smoothness, and long-term performance, whether you are climbing, descending, or riding at high speeds.

If you are upgrading your current bike or building a new eBike around a high-power system, the HD Drivetrain provides the backbone you need to unlock your bike’s full potential.