Pretrained computer vision classifier

Identify bike frame make with one API call.

A pretrained bike frame make classifier that sorts an image into one of 10 categories — what make of bike frame it is. Use the bike frame make API immediately, no training required, then adapt it to your own data when you need more.

Pretrained · Nyckel-trained 10 labels out of the box Image input

Try the bike frame make classifier

Drop in a photo and get the prediction back. No signup, no setup.

What this bike frame make classifier recognizes

A sample of the 30 labels this pretrained classifier chooses between.

Basso
Bianchi
Brompton
Cannondale
Cervelo
Colnago
Diamondback
Electra
Factor
Focus

Need a label that isn't here? Clone the classifier into your Nyckel console and edit the label set to fit your data.

Call the bike frame make API

Once you've added this classifier to your console, you get your own copy of it behind your own endpoint. Invoke it with any HTTP client:

curl

curl -X POST "https://www.nyckel.com/v1/functions/YOUR_FUNCTION_ID/invoke" \
  -H "Authorization: Bearer $NYCKEL_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"data": "https://example.com/photo.jpg"}'

Python

import requests

# Get an access token: https://www.nyckel.com/docs/api/overview/authentication/
token = "YOUR_ACCESS_TOKEN"

response = requests.post(
    "https://www.nyckel.com/v1/functions/YOUR_FUNCTION_ID/invoke",
    headers={"Authorization": "Bearer " + token},
    json={"data": "https://example.com/photo.jpg"},
)
print(response.json())

Example response

{
  "labelName": "Basso",
  "labelId": "label_...",
  "confidence": 0.92
}

Under the hood

Model type
Nyckel-trained

Trained on a Nyckel-curated dataset covering 10 bike frame make categories, served on Nyckel's own infrastructure — your image stays on Nyckel.

Input
Image

Send an image URL or file to the invoke endpoint; the response is a label with a confidence score.

Make it yours
Adaptable

Clone it, then correct predictions and add your own samples in the console — Nyckel retrains automatically, turning this into a custom model tuned to your data.

More than a demo: this page is one of thousands of pretrained functions on Nyckel, an ML classification platform. You can invoke classifiers by API, review predictions, correct labels, collect samples from production traffic, and promote any pretrained function to a private custom model — without changing your integration.

Where teams use bike frame make classification

Retail Inventory Management

Retailers can use the 'bike frame make' identifier to streamline inventory management by automatically categorizing and tagging bike frames based on their manufacturer. This automation can improve stock organization, enhance product visibility, and reduce time spent on manual sorting.

E-commerce Product Verification

Online marketplaces can leverage this classification function to verify and authenticate bike frames listed by sellers. By ensuring that products are correctly labeled with their make, the marketplace can enhance consumer trust and reduce returns due to misrepresentation.

Insurance Claim Processing

Insurance companies can use the identifier to assist in processing claims related to bike theft or damage. By quickly verifying the make of the bike frame involved in the claim process, insurers can expedite adjudications and minimize fraudulent claims.

Quality Control in Manufacturing

Manufacturers can integrate the 'bike frame make' identifier in their production lines to ensure that frames are produced according to specific brand standards. This ensures that the correct specifications are met for each bike model, leading to improved quality and customer satisfaction.

Market Analysis and Trend Forecasting

Analysts can utilize the classification function to study market trends and consumer preferences regarding different bike brands. By aggregating data on bike frame makes sold over time, businesses can make informed decisions on product offerings and marketing strategies.

Cyclist Community Engagement

Cycling clubs and communities can incorporate the identifier into their platforms to create a database of bikers' frames. This not only helps in connecting members with similar bikes but also allows for organizing community events based on frame makes, enhancing engagement.

Repair Service Optimization

Bike repair shops can use the classification feature to quickly identify and source parts specific to various bike frame makes. By improving the speed and accuracy of repairs, shops can boost customer satisfaction and operational efficiency while reducing service turnaround times.

Common questions

What's the difference between a zero-shot and a Nyckel-trained classifier?

A zero-shot classifier uses a large foundation model's general knowledge to pick between your labels — no task-specific training, so new or edited labels work immediately. A Nyckel-trained classifier has been trained on labeled examples and runs on Nyckel's own infrastructure, which typically makes it faster, cheaper per call, and more accurate on data that resembles its training set. The "Under the hood" section on this page shows which kind this classifier is, and any classifier can be adapted into a trained one by adding your own examples.

How do I know whether this will work for my application?

Honestly: we can't know in advance — it depends on your data stream and how closely it resembles what this classifier has seen. The reliable way to find out is to measure it on your own data: start invoking the classifier with real traffic, or upload and annotate a set of images in the console — make sure they look like your production data, not idealized examples. Nyckel's evaluation metrics then show you exactly how it performs on that data before you rely on it.

What happens when it makes a mistake?

No classifier is perfect, so Nyckel is built around the correction loop: invokes can be captured for review, you confirm or correct predictions in the console, and corrections become training data. Over time the model adapts to your data distribution — accuracy on your traffic improves with use rather than staying fixed.

Do I need training data to get started?

No. This bike frame make classifier works out of the box — clone it into your console and you'll have your own API endpoint in under a minute. Training data only enters the picture when you want to adapt it: your corrected predictions and uploaded samples improve the model, and you can also edit the label set to match your needs.

What does it cost to try?

Trying the classifier on this page is free with no signup. Cloning it requires a free account, and the free tier covers your first API calls each month — see nyckel.com/pricing for current limits and paid tiers.

Ready to classify bike frame make at scale?

Add this pretrained classifier to your Nyckel console — you'll get a live API endpoint in under a minute, and a path to a custom model when you need one.