eBike Gears

Application Solution

Precision eBike Gears Manufacturing & Electric Bike Gearbox Solutions

Professional Gear Supplier for eBike Gears Manufacturing & Electric Bike Gearbox Systems

Batom Co., Ltd. is a hands-on gear supplier that designs and manufactures precision eBike gears, electric bike gearbox components, electric mountain bike gears, and eBike planetary gears for the global electric mobility market. We work with OEMs, Tier‑1 suppliers and international B2B buyers to create drivetrain parts that quietly, reliably, and efficiently move people — from commuter eBikes to off‑road EVs and light commercial vehicles.

As a gear supplier, our focus is practical: better efficiency, longer life, and lower NVH (noise, vibration, harshness). To achieve that we keep investing in gear cutting, precision grinding, heat treatment, and metrology equipment. On the shop floor you’ll see CNC gear cutters and grinders running side by side with inspection benches where every eBike planetary gear and gearbox component is checked before it ships.

Professional Gear Supplier for EV & eBike Drive Systems

Electric drivetrains are getting faster and torquier, and they demand quieter operation. As a trusted gear supplier, we supply precision eBike gears for a wide range of applications:

✓  Electric bike gearbox systems
✓  eBike gears for mid‑drive and hub motors
✓  Electric mountain bike gears for aggressive off‑road use
✓  eBike planetary gears for compact, high‑ratio reductions
✓  Electric motorcycle gearboxes and EV reduction gearboxes
✓  Hybrid drivetrain systems and electric commercial vehicle gears

Whether it’s a prototype for testing or thousands of units for full production, our engineering team delivers parts that meet exacting OEM specifications.

Our eBike Gears Manufacturing Solutions

eBike Gears (gear manufacturing)

We make high‑precision eBike gears for mid‑drive and hub‑drive systems, tuned to maximize transmission efficiency, cut operating noise, and extend service life.

eBike Shafts

Precision shafts for electric bike gearbox assemblies, integrated drive units, and electric bicycle motors — balanced and finish‑controlled to reduce vibration.

eBike Planetary Gears

Compact planetary sets designed for high reduction ratios and smooth torque transfer, built to last inside high‑performance eBike motors.

Electric Mountain Bike Gears

High‑strength gears for electric mountain bikes, engineered to take steep climbs, sudden torque spikes and rough trails without compromise.

Gear Manufacturing Specifications

Our facilities can handle everything from tiny precision eBike gears to heavy‑duty drivetrain gears for commercial EVs.

Module range
M0.2 – M20
Maximum helix angle
±45°
Maximum outside diameter
1,000 mm
Gear accuracy
DIN 3962 Grade 4 / JIS B1702 Grade 0 / AGMA 14

These capabilities let our gear supplier team meet the quality and consistency demands across electric mobility sectors.

OEM / ODM Electric Bike Gearbox Manufacturing

We provide end‑to‑end OEM and ODM services for electric bike gearbox systems and eBike motor components. Our manufacturing scope includes electric bike gearbox components, eBike planetary gears, helical and internal gears, precision shafts, rotor shafts and other custom transmission parts. From design reviews and prototype validation to pilot runs and high‑volume production, we tailor solutions to your requirements.

High‑Precision eBike Gears for Modern Electric Bike Motors

Modern eBike motors need compact, lightweight transmissions that can deliver high torque quietly. Our eBike gear manufacturing focuses on:

✓  Smooth power transmission
✓  Reduced transmission losses
✓  Low operating noise
✓  Excellent wear resistance and fatigue strength
✓  Extended service life

That mix of properties makes our electric bike gearbox solutions well suited for premium commuter eBikes, cargo bikes, trekking models, urban mobility platforms, and performance bicycles.

Custom Electric Mountain Bike Gears & eBike Planetary Gears (OEM / ODM)

We work closely with leading eBike motor makers and motor gearbox unit (MGU) suppliers to produce critical internal drivetrain components. Our custom eBike gears include planetary sets, sun and planet gears, helical and internal gears, gear shafts and rotor shafts. Each part is manufactured to customer specs and verified with advanced gear measurement systems to ensure consistent quality.

Frequently Asked Questions

What gear accuracy can your factory achieve for high‑speed eBike motors?

Our gear supplier facility reaches very high accuracy levels thanks to CNC gear grinding and precise inspection. Typical standards we deliver include DIN 3962 Grade 4, JIS B1702 Grade 0, and AGMA 14. That precision reduces transmission error, improves efficiency, lowers wear and extends gear life in electric bike gearbox systems.

How do you reduce noise in eBike drivetrain components?

Reducing NVH is a mix of geometry, surface finish and heat treatment. Our approach combines optimized tooth geometry (crowning, tip relief, lead correction and profile modification), high‑precision grinding to improve surface finish, and manufacturing of helical gears up to ±45° helix angle for better tooth engagement. The result: quieter electric mountain bike gears and smoother eBike planetary gears in real‑world riding.

Do you make internal drivetrain components for eBike MGUs and electric mountain bikes?

Yes. We supply compact eBike planetary gears tuned for mid‑drive systems, robust electric mountain bike gears for demanding terrain, and precision shafts for gearbox assemblies. Tight geometric control helps with balance, reduces vibration, and improves durability.

Can your gears withstand the high torque of commercial electric vehicles?

Absolutely. For heavy‑duty applications — electric trucks, buses, construction equipment and off‑road EVs — we use automotive‑grade alloy steels, precision heat treatment (case hardening, nitriding), shot peening and optimized geometry to boost surface hardness, fatigue resistance and overall reliability.

Can you support custom electric drive system development?

Yes. Co‑development is core to what we do. We collaborate with OEMs, startups, research institutes and Tier‑1 suppliers on design for manufacturability (DFM), prototype development, process optimization, pilot production and volume manufacturing. Whether you need a bespoke eBike planetary gearset or a full electric bike gearbox engineered for a new motor platform, we’ll work alongside your team to get it from concept to production.

If you’d like to discuss a project, send us your specifications or a sketch — we’ll take a look and propose the best manufacturing route, balancing performance, cost and lead time.