# BioFlex OnGel Men's Athletic Saddle SR4331H

The BioFlex OnGel Men's Athletic Saddle SR4331H is a gel-padded replacement saddle with an ozone cut-out, listed at 283 x 179 mm. The manufacturer says its gel moulds to sit-bone shape and absorbs shock, while customer feedback reports comfort and fit, though individual suitability will depend on the rider and bike setup.

- [Original product page](https://bargainpostbox.co.uk/product/bioflex-ongel-mens-athletic-bike-saddle-sr4331h)
- [View offer](https://bargainpostbox.co.uk/visit/bioflex-ongel-mens-athletic-bike-saddle-sr4331h)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: BioFlex
- Model: SR4331H
- Category: Sports & Outdoors > Cycling > Bicycle Parts & Accessories
- Price: 17.23 GBP
- Previous price: 20.70 GBP
- Discount: 17%
- Price checked: 2026-11-13T06:04:21.040Z
- Rating: 4.3 / 5
- Reviews: 93

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Manufacturer says the OnGel insert moulds to sit-bone shape and absorbs shock.
- An ozone cut-out is claimed to provide increased pressure relief.
- Reflective panels are claimed for added visibility in low-light conditions.
- The listing describes compatibility with easy-clip packs and lights.

## Pros

- Gel padding and the central cut-out offer a comfort-focused design for riders seeking pressure relief.
- Customer feedback specifically reports comfort, fit and quality, including a report of a comfortable 20-mile ride.
- The saddle's listed dimensions and weight help buyers compare its size and heft with an existing seat.

## Specifications

### Identity
- Brand: BioFlex
- Model: SR4331H
- Bike type listed: Road Bike
### Dimensions and installation
- Dimensions listed: 28.3L x 17.9W x 6H centimetres
- Weight listed: 500 Grams
- Easy-clip accessory compatibility: Compatible with easy clip packs & lights
### Materials and design
- Material listed: Gel, Steel, Vinyl
- Outer material: Vinyl
- Pad type: Gel Pad
- Colour: Black
### Capacity and support
- Maximum weight capacity: 150 Kilograms
- Warranty listed: 1 Year Manufacturer

## Before you buy

- Dimensions are presented in two forms: 28.3L x 17.9W x 6H centimetres in the details and 283x179mm \(LxW\) in the feature text. The listing calls the bike type Road Bike but manufacturer copy discusses a men's athletic saddle, so confirm fit and intended riding position for your bike before buying. It also mentions reflective panels only in the product description, while the listed included component is a saddle.

## In the box

- 1 saddle (Included)

## A good fit for

- Road cyclists looking for a gel-padded replacement saddle with a pressure-relief cut-out.
- Riders who value customer-reported comfort and fit, while recognising that saddle comfort varies by person.
- Buyers whose clip-on pack or light uses the stated easy-clip compatibility.

## Less suited to

- Riders who need confirmed fit dimensions or rail specifications before purchase, as no rail measurements are supplied.
- Buyers seeking evidence of long-term durability or independent testing, which the listing does not provide.

## Customer feedback

Customer feedback highlights comfort, fit, quality, value and appearance. One reported comfortable riding over 20 miles and another noted pressure relief in the prostate area. These perceptions are relevant to a gel saddle designed around pressure relief, but they do not establish a universal fit or confirm performance for every rider. Ratings are mostly in the higher star categories, with some lower ratings also present, and do not explain individual experiences.
- Positive themes: Customers report comfort, fit and quality.
- Positive themes: Feedback includes a report of comfort on a 20-mile ride and a mention of pressure relief.

## Frequently asked questions

### What does the OnGel insert claim to do?
The manufacturer says it moulds to sit-bone shape and absorbs shock. That is a product claim, not a guarantee of comfort for every rider.
### What are the saddle's listed dimensions?
The details give 28.3L x 17.9W x 6H centimetres, while feature text separately gives 283x179mm \(LxW\). Confirm which measurements apply to the fit you need.
### Can it be used with a clip-on pack or light?
The listing states compatibility with easy-clip packs and lights. Check that your particular accessory uses a compatible fitting.
### What does customer feedback say?
Feedback highlights comfort, quality and fit, with a reported comfortable 20-mile ride. These are customer perceptions and do not establish that it will suit every rider.

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## Add-ons

- [Bioflex Ladies OnGel Ozone Athletic Saddle - Black](https://bargainpostbox.co.uk/visit/bioflex-ongel-mens-athletic-bike-saddle-sr4331h)

## Images

![BioFlex OnGel Men's Athletic Saddle SR4331H — 1](https://bargainpostbox.co.uk/i/JornpnjTYeLZfj7RBqj43gYgftRN0nK3UEMWKAz_oYfk2GZxRIWIrORo_aXX-H38ISY6q0qtbO5URpkK3CSHEGzo46ZhO8vGWZ6niPdiULcFfG9V9kAdxL6L.jpg)

![BioFlex OnGel Men's Athletic Saddle SR4331H — 2](https://bargainpostbox.co.uk/i/PQ6SgYmolk343GSYm5i44AOk3qIdpGspwwAfgpIl4oxD9chml0x7Xj5na9I9VlCKydsfVHEyGZvsU8sLN3QmXY7mHvic7orusP5UpXaWBGGr10wcB12HUByl.jpg)