Chiru Fukai - Monster Gravel
Frame Features & Specifications
One of the latest additions to the Chiru lineup! Chiru Fukaï has been developed to tackle the eclectic route of the Rhino Run. This 2,750km race from South Africa to Namibia passes through hot, dry desert areas, rolling hills, winding coastal roads and challenging mountainous regions.
Chiru Fukaï, a gravel monster over-equipped to go to the end of the adventure
This titanium gravel adventure frame has ovalized bases and is designed for a Boost standard single chainring transmission. Its geometry was designed around a 430mm rigid titanium CEC fork (#430T) thus allowing perfect compatibility with a 50mm reduced travel fork.
Chiru Fukaï is designed to carry a large luggage capacity. Integrated attachment points allow for up to 6 bottle holders! Enough to quench your thirst for adventure.
Chiru Fukaï, the hybrid MTB and gravel adventurer
Chiru Fukai incorporates SRAM UDH derailleur hangers. Chiru Fukaï’s transmission is MTB type and the brakes are Flat Mount standard, allowing it to be equipped with a gravel drop bar or flat handlebar. In terms of tires and for more comfort on rutted gravel trails, you will have the choice between 29×2.6″ or 27.5″x2.8″ (except for Size S: provide 27.5″x2.6″).
Frame Geometry

Fukai | S | M | L |
---|---|---|---|
TT : Effective Top Tube (mm) | 580 | 605 | 630 |
CT : Seat Tube Length (mm) | 485 | 550 | 575 |
RC : Chainstay Length (mm) | 435 | 435 | 440 |
WB : Wheelbase (mm) | 1111 | 1132 | 1164 |
BB : BB drop (mm) | 73 | 78 | 78 |
HT : Head Tube Length (mm) | 145 | 170 | 190 |
SA : Seat Tube Angle (deg) | 74.5 | 74.5 | 74.5 |
HA : Head Tube Angle (deg) | 68.6 | 69 | 69 |
Reach (mm) | 429 | 446 | 465 |
Stack (mm) | 582 | 612 | 631 |
Recommended Height (cm) | 162-173 | 172-180 | 180-188 |
Geometry calculated with 430mm A-C fork, 50mm offset
Frame Options
Available as a Frame Only or Frameset Kit (includes headset, axles and Titanium fork)
Frameset Titanium Fork: CEC #430T+
Tapered steerer, 15 x 110mm axle, 745gm, A-C: 430mm, 50mm offset.
Flat mount 140 or 160mm brakes. Tyre clearance: 700c x 2.6″ (64 mm) & 650b x 2.6″
Front brake and Dynamo cable internal routing, fender mount & 3 eyelets each leg for cage mounts (3Kg each side)