PRODUCTS / TITANIUM BICYCLE / FOLDING BICYCLE PRODUCTS

Titanium Folding Bicycle Products

GR9 titanium horizontal and vertical folding frames, 451/20" complete bikes and dedicated folding-compatible forks — factory-built light-weight folding bicycle platforms.

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Complete Folding Bicycle Series

Four factory-configured folding bicycle builds — GR9 titanium frames with gear train and brake options.

Retro Folding Bike 7-Speed Standard

Retro Folding Bike 7-Speed Standard

GR9 titanium folding frame · Languang A7-L-TWOO drivetrain · C-brake

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Retro Folding Bike 5-Speed Lightweight

Retro Folding Bike 5-Speed Lightweight

7.4kg without pedals · ACE50T chainring · Carbon fibre spoke wheels

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20-inch Horizontal Folding Small-Wheel Complete

20" Horizontal Folding Small-Wheel Complete

Horizontal folding frame · 20×1.75 wheelset · Titanium rigid fork · Titanium quick-release seatpost

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451 Vertical Folding Small-Wheel Complete

451 Vertical Folding Small-Wheel Complete

Vertical folding frame · 451 wheelset · Disc-brake or C-brake option · 8.5–9.7kg

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Folding Frames & Forks

Bare folding frames and dedicated titanium folding forks for custom builder projects.

451 Vertical Folding Frame

451 Vertical Folding Frame

406 / 451 wheel fitment · Vertical folding · 135mm disc brake or 130mm C-brake dropout

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20-inch Horizontal Folding Frame

20" Horizontal Folding Frame

Horizontal folding design · 135mm disc brake dropout

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Titanium Small-Wheel Fork

Titanium Small-Wheel Fork

451 / 406 wheel fitment · C-brake or disc brake · 100mm quick-release

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451 Folding Fork

451 Folding Fork

Disc-brake or C-brake option · 100mm dropout

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Technical Specifications

Construction parameters across all titanium folding bicycle offerings.

Frame Material

GR9 Ti-3Al-2.5V aerospace-grade titanium alloy, hand TIG welded

Wheelset Fitment

406 · 451 · 20"

Dropout Standards

100QR · 130QR · 135QR

Seatpost

28.6mm · 34mm quick-release seatpost compatible

Head Tube

34mm standard for small-wheel folding frames

Weight

Complete builds: 7.4kg – 9.7kg depending on configuration

Customization Options

Folding titanium builds can be tuned for rider-specific needs.

FN

Surface Finish

Natural titanium · sand-blasted · black · mirror-polished

BS

Brake Standard

C-brake or hydraulic disc-brake option on most frames

ST

Seatpost & Stem

Titanium seatpost diameter and stem length configurable

GG

Gear Train

Languang · Shimano · ACEOFFIX drivetrain options

Frequently Asked Questions

What is the difference between horizontal and vertical folding frames?
Vertical folding frames fold the rear triangle alongside the main frame; horizontal frames fold at the seat tube junction. Both designs are offered in titanium — contact us with your preference.
Can I order a folding frame without a fork?
Yes. All four complete builds and both bare frames can be purchased independently. Matching titanium forks are available separately.
What wheelset should I choose?
406 is the most common folding bike wheel size. 451 has slightly better rolling efficiency. 20" (ISO 406/451 hybrid) is offered on horizontal folding builds.
How light are these folding bikes?
The 5-speed lightweight build is rated at 7.4kg without pedals. All complete builds are 7.4–9.7kg depending on configuration.

Also in the Titanium Bicycle Range

Titanium Bicycle Forks

Bicycle Forks

Matching titanium forks for road, gravel, MTB and folding bicycle frames.

Brompton-Compatible Titanium Parts

Brompton-Compatible Parts

Third-party compatible titanium main frames, forks, rear triangles and racks for folding bicycles.

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Brompton-Compatible Parts

Brompton-Compatible Parts

Third-party compatible titanium main frames, forks, rear triangles and racks for 16" and 20" folding bikes.

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Titanium Bicycle Frames

Titanium Bicycle Frames

Fourteen GR9 frame geometries covering road, gravel, mountain and small-wheel use.

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Titanium Complete Bicycles

Titanium Complete Bicycles

Road, gravel, mountain and folding bikes — factory-assembled GR9 titanium builds.

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Request a Quotation for Titanium Folding Bicycle Products

Tell us which folding bicycle product you are interested in — complete build, frame or fork — along with wheelset and brake preference, and we will respond with a tailored quotation.

Helpful details: Product Type · Wheelset (406 / 451 / 20") · Brake Standard · Surface Finish · Quantity

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