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Small-Batch Steel Frames
For Brands & Builders
4130 Cr-Mo steel frames and forks for custom bicycle brands, builders, and OEM projects.
Supporting projects from geometry review and prototyping to small-batch production.
4130 Cr-Mo Steel
Custom Geometry Support
Prototype Available
Low Volume Production
WHAT WE BUILD
We build steel frame platforms for different riding categories and brand applications.
Gravel
Steel gravel platforms for adventure, bikepacking, and custom brand applications.
Road
Steel road platforms developed for modern disc brake systems and custom geometry.
MTB
Steel hardtail platforms designed for trail applications and custom development.
FIXED GEAR
Steel fixed gear platforms for urban, track-inspired, and custom projects.
TOURING
Steel touring platforms designed for racks, cargo compatibility, and long-distance applications.
CUSTOM PROJECT
Custom geometry development for OEM, cargo, and special application projects.
WHY WORK WITH KRATOSCYCLING
We support bicycle brands and builders with
practical frame development and small-batch production.
SMALL-BATCH FOCUSED
Flexible production for prototypes and early-stage brands.
CUSTOM GEOMETRY
Geometry development based on brand requirements and project specifications.
PRACTICAL DEVELOPMENT
From drawing review to prototype validation and production.
STEEL FRAME SPECIALIST
Focused on 4130 Cr-Mo steel frames for gravel, road, MTB, and touring bikes.TB, fixed gear, touring and custom projects.
FEATURED STEEEL FRAME PLATFORMS
Proven steel frame platforms designed as starting points for OEM projects,
custom geometry development, and brand-specific applications..
Gravel Platform
A versatile gravel platform suitable for custom geometry, bikepacking, and adventure-oriented OEM projects.
Road Platform
Classic steel road platform developed for modern disc brake systems and refined riding characteristics.
MTB Platform
Steel hardtail platform engineered for off-road durability, trail applications, and custom frame development.
Fixed Gear Platform
Minimalist steel platform for track-inspired builds, urban cycling, and custom city projects.
Touring Platform
Long-distance steel platform designed for racks, cargo compatibility, and adventure touring applications.
Custom Frame Development
We review your drawing or idea and provide
technical feedback before production.
Sample & Small Batch Production
Prototype samples available for evaluation
before scaling to production.
Frame Inquiry Checklist
and expected quantity for evaluation.
START YOUR STEEL FRAME PROJECT
Tell us your frame concept, geometry, or sample requirement.
We will review and respond with technical suggestions
and production feasibility.
