✦ AI features require an Anthropic API key when running standalone.  

Felix Cycles — Custom Frame Builder

Design your perfect fit

Five steps from your body measurements to a complete frame specification. The AI calculates your geometry, recommends Columbus tubing, suggests components and generates a full price breakdown — ready for the workshop.

⚠︎ This configurator is currently under construction — features and pricing may change.
1
Rider & Use
2
Frame
3
Components
4
Colour
5
Specification

Step 1 of 5

Rider & intended use

Your measurements allow the AI to calculate a personalised frame geometry. Riding style shapes tube selection and component advice.

mm — total standing height
mm — crotch to floor, barefoot
mm — floor to sternal notch
mm — knee to floor
mm — elbow to middle fingertip
mm — acromion to acromion
kg

Riding style

🚴
Road
Aggressive position, performance
🏔️
Gravel
Mixed terrain, endurance
🌍
Touring
Long distance, loaded
Expedition
Off-road, extreme conditions
🏙️
City
Daily commute, upright
Fixed / Track
Single speed, urban

✦ Calculated geometry

Step 2 of 5

Frame specification

Choose your Columbus tubing family, dropout style and brake system. Each choice affects the final price and frame character.

Columbus tubing family

✦ AI Tubing Recommendation

Dropout style

Brake system

Step 3 of 5

Component selection

Describe what you need — the AI recommends a complete groupset from Shimano, SRAM, Campagnolo or Rohloff. Components influence frame dimensions such as rear spacing and brake mount type.

High-end road — Shimano Gravel — SRAM Expedition — Rohloff Campagnolo — classic road Budget touring build Belt drive + Rohloff Gravel 1×12 — Campagnolo Ekar

✦ Component Recommendation

€ — indicative, for AI guidance

Step 4 of 5

Powder coat colour

Felix Cycles uses Prismatic Powders for all finishes. Choose from our selection below, or enter your own Prismatic reference code. The preview is indicative — actual powder coat may vary.

Enter a Prismatic Powders reference

Or choose from our selection

✦ Colour note

Step 5 of 5

Full specification

Your complete Felix Cycles build sheet — frame geometry, tubing, components and finish. Send this to Felix to start the conversation.

Your build

Rider

Riding style

Frame geometry

Tubing

Dropouts

QR (standard)

Brakes

Rim brake

Components

Colour

Base frame€1,500

Total frame ex VAT€1,500