Finding Jasion Electric Bike Parts: Guide for Owners
The quickest way to find Jasion electric bike parts is through the brand’s official Amazon storefront. If the part isn’t listed there, contacting Jasion customer support directly often leads to a replacement or a compatible alternative. This guide walks you through the best sources, a step-by-step process for ordering, common parts that wear out, and how to avoid costly misfires.
Where to Start – Official Jasion Channels
Jasion does not run a large independent parts website, so most owners rely on two official routes. Always start here before chasing third‑party sellers.
Amazon Storefront
Jasion sells its e‑bikes and many replacement components through its Amazon store. The product listings typically include a “Parts & Accessories” section. Common items you can find there:
- Batteries (e.g., 36V 10Ah–15Ah packs)
- Chargers (2A or 3A smart chargers)
- Replacement LCD displays
- Charging ports and wiring harnesses
Tip: Search `”Jasion” + “part name” + “replacement”` directly on Amazon. Most listings include the model number (e.g., JB-36V for battery packs) in the title.
Direct from Jasion Support
If the part isn’t on Amazon, email or chat with Jasion customer support. They often stock components not publicly listed, especially for newer models like the Jasion EB5 or EB7. Ask for:
- The part number or factory diagram
- Pricing and estimated ship time
- Whether the part is still under warranty (e‑bikes usually carry a 1‑year frame/motor warranty)
Example: Owners of the Jasion EB5 who needed a replacement rear hub motor controller reported that support sent a direct invoice within two days after providing the bike’s serial number.
When Official Channels Fall Short – Third‑Party Options
If Jasion doesn’t have the part, these platforms offer compatible alternatives. But proceed with caution: a mismatched component can damage your bike or create a safety risk.
eBay and AliExpress
Many Jasion e‑bikes share standard components with other brands. Search for generic e‑bike parts with matching specs:
- Batteries: Look for the same voltage (36V), connector type (e.g., XT60 or Anderson), and physical dimensions.
- Controllers: Match the rated current (e.g., 15A or 20A) and motor phase count (usually three phase).
- Displays: Look for a 5‑pin or 6‑pin connector; Jasion often uses a King‑meter or DKD display.
Example: A Jasion EB7 owner on a forum noted that a generic “36V 250W e‑bike controller” from AliExpress worked perfectly after swapping the throttle and PAS connectors.
Specialized E‑Bike Retailers
Stores like Electrify Bike Co. or Grin Technologies sell universal parts that can be adapted. They are especially useful for:
- Brake levers (with motor cut‑off sensors)
- Throttles (half‑grip or thumb style)
- Kickstands and fenders
A Step‑by‑Step Process for Ordering the Right Part
Follow this ordered sequence to minimize returns and dead ends.
Preparation – what you need before you start shopping:
1. Locate your bike’s serial number (stamped on the frame near the bottom bracket or under the battery). Write it down.
2. Note the model name/number (EB5, EB7, etc.) and the year you bought it.
3. If the part is electrical, measure voltage with a multimeter and photograph the connector shape and pin layout.
Ordered actions:
1. Check official Jasion channels first. Look on Amazon for the exact part. If it’s listed, order directly.
2. If not available, contact Jasion support with your serial number. Ask if they have the part in stock or can order it.
3. If support says no or the price is too high, move to third‑party. Search on eBay, AliExpress, or a specialty retailer using the specs you recorded.
4. Before paying, verify fit. Use the checks in the “How to Verify Fit” section below. If the seller can’t confirm compatibility, walk away.
5. After the part arrives, test it immediately (e.g., plug in the battery, connect the display, or install the controller). If it doesn’t work, you have a short return window.
Branch – what if the part from a third‑party doesn’t match the connector?
If the voltage and specs are correct but the connector is different, you have two options: solder on a matching connector (if you’re comfortable with electronics) or buy an adapter harness. Many e‑bike connectors have standard pinouts, so an XT60‑to‑Anderson adapter often solves the issue. If the pin layout is unknown, do not force the connection – a reversed polarity can fry the controller.
Common Parts That Need Replacing and What to Watch For
Different parts have different failure rates and sourcing stories. One realistic failure mode stands out: buying a generic battery with a mismatched BMS communication protocol.
Batteries (The Most Expensive Replacement)
Jasion uses generic 36V lithium‑ion packs. If you can’t find an exact Jasion pack, a third‑party battery from Unit Pack Power or DAWNWOLF on Amazon often works – if you match voltage, connector, and charge protocol.
Failure mode: A rider buys a “36V 10Ah” battery from a no‑name seller on eBay because it’s half the price. The bike powers on and runs for the first five minutes, then shuts down abruptly. The display shows an error code.
Likely cause: The aftermarket battery’s BMS uses a different undervoltage threshold or communication protocol than the Jasion controller. The controller sees an unexpected signal and enters protection mode.
Safer next move: Return the generic battery. Buy from a seller who explicitly lists compatibility with Jasion controllers, or ask Jasion support for the exact BMS specs. Better yet, stick with the OEM battery – it costs more but eliminates the guesswork.
Chargers
Jasion chargers are 36V/2A or 36V/3A. A universal “36V lithium‑ion charger” from a reputable brand (e.g., YOSEPOWER) is safe to use if it has the same barrel‑size connector (commonly 5.5mm × 2.1mm or 2.5mm). Check polarity – most are center positive.
Controllers and Displays
Jasion often uses an “S‑class” integrated display/controller. If the display fails but the bike still powers on, you can sometimes swap the display alone. For a complete controller failure, measure the phase wire resistance (0.5–2 ohms is typical) and buy a replacement with the same amp rating.
Brake Pads and Tires
Brake pads on Jasion e‑bikes are standard V‑brake or disc pads (e.g., Tektro 160mm rotors). Tires are typically 20″×1.95″ or 26″×1.95″ – any bike tire of that size works. These you can buy from any bike shop or online retailer like Schwalbe or Kenda.
How to Verify Fit Before You Buy
Before buying any non‑Jasion part, do these three checks:
1. Voltage and connector: Measure the battery pack voltage with a multimeter. Photograph the connector shape and pin layout. For a controller or display, note the number of wires and their colors – Jasion often uses a standard wiring sequence, but verify with a pinout diagram if possible.
2. Physical dimensions: Measure the mounting bracket spacing, screw hole diameter, and cable length. Jasion bikes sometimes use non‑standard bolt patterns on the controller or display brackets, so a generic bracket may need drilling or shimming.
3. Communications protocol: Displays communicate with the controller via a UART or CAN bus. If uncertain, ask the seller whether the display works with a Jasion controller. Some sellers can confirm compatibility if you tell them the model number. When in doubt, buy from a seller that accepts returns.
If you cannot verify all three points reliably, consider paying a small premium for a known‑working OEM part from Jasion. The time saved and the avoided risk of a fried controller are usually worth it.
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Ryan Williams has spent over 8 years testing, repairing, and writing about electric bikes. He has personally ridden and reviewed 150+ e-bike models from brands like Lectric, Aventon, Rad Power, Super73, and dozens more.
Before founding EBIKE Delight, Ryan worked as a bicycle mechanic for 5 years at independent bike shops across California, where he specialized in e-bike conversions and electrical system diagnostics. He holds a Certificate in Electric Vehicle Technology from the Light Electric Vehicle Association (LEVA).
Ryan’s work has been cited by Electric Bike Report, Electrek, and BikeRumor. When he is not testing the latest e-bike on California backroads, he is in his workshop tearing down batteries and controllers to understand what makes them tick — and what makes them fail.
Areas of Expertise
E-bike performance testing and real-world range verificationBattery diagnostics, charging best practices, and safetyBrand comparisons: Lectric, Aventon, Rad Power, Super73, and moreError code troubleshooting across major e-bike systemsE-bike laws, registration, and compliance by state
Ryan believes every rider deserves honest, hands-on information — not marketing hype.