Aikema Replacement Gear Set, Multi Ratio Nylon Helical Gears Compatible with AKM 74SX,75SX,100,100H,128SX,128H,95RX Hub Motor

AIKEMA AKM ebike hub motor helical nylon gear set, multiple gear ratios available, left & right tilt helical teeth. Compatible with AKM 74SX,75SX,100,100H,128SX,128H,95RX hub motor for motor repair & replacement.

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AIKEMA AKM E-bike Hub Motor Helical Nylon Gear Set

This AKM motor replacement gear set adopts high-strength nylon with helical tooth design, available in left tilt and right tilt versions. Multiple double-layer gear combinations for different AKM hub motor models and RPM configurations. Direct-fit spare parts for AKM hub motor maintenance and rebuild.

Gear Ratio & Compatibility Reference

Gear selection depends on motor model and original RPM, please check your original gear before ordering.

  • 27T+39T: AKM-100, AKM-100H, AKM-74SX, TBK-74AD
  • 23T+39T: AKM-100 rear hub motor
  • 23T+36T: AKM-100 front hub motor, AKM-100H
  • 21T+33T: AKM-75SX
  • 33T+45T: AKM-128SX, AKM-128H
  • 33T+42T: AKM-128SX, AKM-128H
  • 18T+40T: AKM 95RX Hub Motor

Compatible AKM Motor Models

✅ AKM-74SX

✅ AKM-75SX

✅ AKM-100 / AKM-100H

✅ AKM-128SX / AKM-128H

✅ AKM 95RX

Product Features

✅ Multiple Gear Ratio Options: 21T+33T /23T+36T /23T+39T /27T+39T /33T+42T /33T+45T /18T+40T to match different AKM motor RPM requirement.

✅ Left & Right Tilt Helical Teeth: Helical structure provides smoother rotation, lower noise and better load bearing capacity than straight gears.

✅ High Strength Nylon Material: Wear-resistant, shock-absorbing, effectively reduce gear wear during long time operation.

✅ Double Layer Integrated Gear with Bearing: Pre-installed bearing, easy installation for motor rebuild.

✅ Direct Replacement: Match original gear dimension, no modification needed for qualified AKM hub motor.

Specifications

Product Name: AIKEMA AKM Hub Motor Helical Nylon Gear Set

Material: Reinforced Nylon with Bearing

Gear Type: Double-layer Helical Planetary Gear, Left Tilt / Right Tilt Optional

Available Gear Combinations: 21T+33T,23T+36T,23T+39T,27T+39T,33T+42T,33T+45T,18T+40T

Application: AKM E-bike Hub Motor Repair & Replacement

Package Includes: 3pcs Gears per set

Optional Accessory: AKM Motor Cover Remove Tool (fits AKM 85/100/100CST/100H/128CST/128H/7100CST/74/75 Motor) Optional Grease: AKM original specification gear grease, compatible with Bafang, AKM, Tongsheng, Shengyi, MXUS and most ebike hub motors.

Important Notes

  1. Gear selection is determined by your motor model and original RPM. Please compare with your original gear before placing order.
  2. Package only contains 3pcs gears. Motor cover removal tool and gear grease are sold separately.
  3. Minor color deviation may exist due to different production batches.

Ideal spare parts for ebike repair workshops, DIY motor rebuilders and ebike wholesale distributors. Solve problems like broken, worn and noisy AKM hub motor gears, restore motor power performance.

testimonials

What Our Riders Say

We specialize in mid-drive motors and e-bike parts. Strict testing, powerful R&D and flexible OEM service guarantee long-term cooperation.

It used to take me weeks to hunt down hard‑to‑find e‑bike spare parts. Their compatibility‑check technical support saved me countless repair headaches. Reliable supplier I can always count on.

Mark Wilson Repair Technician

Flexible mixed‑batch ordering is a game‑changer for my business. Low‑risk trial‑order options, fast delivery and solid OEM‑ODM service help me expand my product range with zero inventory pressure.

Jennifer Carter Wholesale

We have been sourcing e‑bike components from them for over one year. Product quality is consistent, and their responsive after‑sales support makes our daily shop‑running much easier. Highly recommended.

Ryan Thompson ebike shop owner

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For more FAQs and further details, please get in touch with us

faqs

Frequently Asked Questions

We supply genuine OEM parts and premium compatible aftermarket replacement parts for e-bikes, including motor components, controllers, throttles, PAS sensors, wiring harnesses, connectors and Bosch form-factor batteries.

We serve mainstream drive system manufacturers: Ananda, Bafang, Aikema, Tongsheng, Shengyi, Bosch and more. We also provide repair components for complete e-bike brands including Sur‑Ron, Aventon, Trek and many others.

All items are brand-new and inspected before shipment. We do not supply second-hand or refurbished goods.

Our team verifies compatibility according to your bike model, motor info or original part photos. We confirm available OEM parts or recommend workable alternative solutions.

Yes. Flexible order sizes are supported, ranging from single spare parts to bulk purchases.

Sea freight, air freight and rail transport are optional.

Lead time varies by item and shipping mode. We confirm exact timelines before each order and share tracking updates.

We provide part identification, model matching and full order follow-up support.