# FISCHER bicycle saddle piston 85638, black — single piece for mounting saddle without clamp on seatposts

**URL:** https://aio.lv/en/product--fischer-85638--12260729
**Data updated:** 2026-04-14 22:32 (EEST)
**Category:** Home Goods Accessories
**Manufacturer:** FISCHER
**Manufacturer code:** 85638
**EAN:** 4008153856389
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 16.99 €
**Prices and availability valid until:** 2026-08-13 23:59
**Price without VAT (21%):** 14.04 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--fischer-85638--12260729

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 11.08.2026 | free |
| Pickup points | 14.08.2026 | 1.89 EUR |
| Courier delivery to door | 14.08.2026 | 4.99 EUR |

## Summary description

FISCHER bicycle saddle piston (model 85638) is a single black mounting part designed to fit seatposts when attaching a saddle without a separate clamp (kloben). It provides a compatible interface between saddle rails and seatpost, simplifying installation and ensuring stable fixation. Suitable for bicycle maintenance and saddle replacement tasks.

## Long description

FISCHER bicycle saddle piston 85638 is a single-piece black mounting component designed to allow attachment of a saddle to a seatpost without using a separate clamp. The part provides a direct interface between the saddle rails and compatible seatposts, intended to simplify saddle installation and secure the saddle position. It is intended for routine bicycle maintenance, saddle replacement or quick part swaps where a single-piece mounting solution is required.
Advantages
The single-piece design reduces the number of separate fasteners required and can speed up saddle installation. Its compact black finish offers a neutral appearance that matches common bicycle components. The piston is engineered to provide a stable contact surface for saddle rails and to work with seatposts designed for clampless mounting, helping to maintain saddle alignment during normal riding conditions.
Suitable for
Replacing a worn or lost saddle mounting part on compatible seatposts
Simple saddle swaps and maintenance where a single-piece interface is preferred
Road and city bikes that accept clampless saddle pistons
When it may not be suitable
This piston is intended only for seatposts and saddles that are specifically designed to accept a single-piece clampless mounting. It will not be suitable for seatposts that require a two-bolt clamp, integrated rail clamps with different geometry, or proprietary mounting systems that use a different interface. Compatibility should be confirmed before purchase to avoid fitment issues.
Key specifications
Color: black
Quantity: single piece
Function: single-piece saddle-to-seatpost mounting piston
Application: attachment of saddle rails to compatible seatposts
How to use
To install, remove the existing saddle assembly from the seatpost according to the bicycle manufacturer's instructions. Position the FISCHER saddle piston so that the saddle rails rest correctly in the piston profile, then secure the piston to the seatpost following the seatpost's prescribed tightening procedure. Adjust saddle position and angle as required, then confirm all fastenings are tightened to the torque values recommended by the seatpost and saddle manufacturers. After installation, check saddle alignment and perform a short test ride to verify stability.
What to consider before purchase
Confirm that your seatpost is designed to accept a single-piece clampless piston mounting
Verify rail diameter and geometry compatibility between your saddle and the piston profile
Check recommended tightening torque and installation method from your seatpost and saddle manufacturers
Usage recommendations
Use the piston only with compatible components and follow manufacturer torque specifications. Recheck fastenings after initial rides and during regular maintenance intervals to ensure continued safe fixation of the saddle.

## FAQ

### How much does the FISCHER bicycle saddle piston 85638 cost, and is it available for purchase?

The price is 16.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 11.08.2026 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. 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 FISCHER 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 FISCHER 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/12260729/68172317_large.webp