# Z-axis timing belt for BambuLab A1 series — replacement belt for Z motor and lead screw

**URL:** https://aio.lv/en/product--bambulab-bml-26270--12094124
**Data updated:** 2026-03-14 12:30 (EET)
**Category:** Printer & Copier Parts
**Manufacturer:** BambuLab
**Manufacturer code:** BML-26270
**EAN:** 6975337035893
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 12.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 10.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--bambulab-bml-26270--12094124

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

Replacement Z-axis timing belt designed for BambuLab A1 series 3D printers. This toothed belt connects the Z motor to the lead screw or pulley system, ensuring precise vertical motion and layer alignment. Intended for maintenance and repairs, it restores accurate Z-axis positioning, reduces backlash, and is suitable for routine part replacement in FDM printers.

## Long description

Replacement Z-axis timing belt designed for BambuLab A1 series 3D printers. This toothed belt connects the Z motor to the lead screw or pulley system, ensuring precise vertical motion and stable layer alignment during FDM printing. It is intended for maintenance and repair tasks where accurate Z positioning, reduced backlash and consistent layer heights are required.
Advantages
The belt is manufactured to match the pitch and tooth profile required by the A1 series, providing smooth engagement with pulleys and minimising slippage. Using a correctly profiled timing belt restores Z-axis accuracy and reduces play between the motor and lead screw, which helps maintain consistent layer registration. The belt construction offers sufficient flexibility for routing while retaining tensile strength for reliable lift motion.
Suitable for
Routine maintenance and scheduled replacement of Z-axis drivetrain components on BambuLab A1 printers
Repair of worn, stretched or damaged Z timing belts to restore vertical accuracy
Upkeep after modifying or servicing the Z motor, lead screw or pulley assemblies
Key specifications
Function: Z-axis timing belt for vertical motion transmission
Compatibility: BambuLab A1 series 3D printers (Z motor to lead screw/pulley)
Tooth profile: toothed timing belt (matched to printer pulley geometry)
Material characteristics: flexible polymer body with tensile reinforcement for lift stability
Application: FDM printer Z-axis drivetrain replacement and repair
How to use
Power off the printer and secure it to prevent unintended motion. Remove the access panels and any components blocking access to the Z motor and lead screw according to the manufacturer service instructions. Loosen the belt tensioner or motor mount to release the old belt and remove it from the pulleys and lead screw interface. Route the replacement belt along the same path, ensure correct engagement of teeth with pulleys and the lead screw interface, then retension the belt to the specified tension recommended by the printer manufacturer. Reassemble panels and perform a test move and bed leveling check to confirm correct Z-axis operation.
Usage recommendations
Inspect the belt periodically for fraying, missing teeth or excessive stretch; replace if any damage or measurable elongation is present. Use only the recommended tension range to avoid introducing backlash or overloading the motor bearings. After installation, run a small calibration print or layer calibration routine to verify consistent layer heights and Z-axis smoothness.

## FAQ

### How much does the Z-axis timing belt BambuLab A1 cost, and is it available for purchase?

The price is 12.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 06.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All BambuLab products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized BambuLab service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12094124/67628839_large.webp