The Chiru Kegeti Frame represents titanium excellence serving ultra-endurance and extreme bikepacking. Designed and tested during the legendary Silk Road Mountain Race 2018 in Kyrgyzstan, this frame is named after the formidable Kegeti Pass reaching nearly 4000 m altitude. Manufactured in Grade 9 titanium (3Al/2.5V) with cold-formed tubes and variable wall thickness, it combines light weight, legendary robustness and vibration damping comfort characteristic of aerospace titanium. A true versatile adventure machine, the Kegeti sits at the crossroads of radical gravel and drop bar MTB, capable of devouring 1800 km self-supported across all terrains.
Technical Highlights
- High-performance Grade 9 titanium: 3Al/2.5V alloy used in aerospace, offering 20 to 50% superior mechanical strength compared to pure titanium, while maintaining light weight (1650-1800 g depending on size), corrosion resistance and exceptional longevity. Cold-formed tubes with differentiated wall thickness for optimal weight/stiffness ratio.
- Long-distance comfort-oriented design: Deliberately lowered rear stays increasing vertical compliance of the frame. Combined with the 27.2 mm seatpost, they effectively filter vibrations and shocks, reducing fatigue over multiple days in the saddle.
- Total bikepacking versatility: Generous tire clearance (700c x 47c up to 29" x 2.4"), compatibility with rigid or suspension fork 80-100 mm, MTB Boost drivetrain single chainring 36T. Modern standards (T47, UDH, 148x12 axle, Postmount) ensuring compatibility and upgradability.
- Extreme carrying capacity: 3 bottle cage mounts (up to 5 with accessories), mounts for full frame bag, top tube bag, rack and fenders. Capable of carrying water, food and equipment for multiple days completely self-supported.
- Balanced ultra-endurance geometry: Stack/Reach ratio of 1.54-1.62 depending on sizes, positioning the Kegeti between sporty dynamism and comfortable endurance. MTB-inspired geometry with long wheelbase (1066-1110 mm) for stability when loaded and on technical terrain.
Geometry and Modern Standards
The Kegeti offers four sizes (S, M, L, XL) covering riders from 163 to 200 cm. The tapered 1"1/8-1"1/2 headtube accepts modern carbon forks, the T47 bottom bracket facilitates maintenance and drivetrain compatibility, the UDH hanger ensures interchangeability and derailleur protection. Internal/external routing offers mounting flexibility for mechanical, electronic (Di2, AXS) or dropper post. Compatible with drop bar (gravel/adventure) or flat bar (MTB), the Kegeti adapts to all riding styles.
Chiru Philosophy: Dream, Design, Craft, Ride
Chiru Bikes, French brand founded by engineer and ultra-cyclist Pierre-Arnaud Le Magnan, has been developing bikes designed for extreme adventures and ultra-distance since 2009. Each model is designed for a specific event then tested in real conditions (Silk Road Mountain Race, Tour Divide) before being refined. The name "Chiru" refers to the Tibetan antelope living at high altitude in harsh conditions — symbol of resilience and off-the-beaten-path exploration. The Kegeti embodies this philosophy: a reliable, durable and high-performing tool to push the limits of cycling adventure in total self-sufficiency.
For Whom?
The Chiru Kegeti Frame is aimed at demanding bikepackers, ultra-endurance cyclists and adventurers seeking an indestructible frame for transcontinental crossings, self-supported raids or multi-terrain expeditions. Ideal for rough gravel, technical trails, scree and MTB singletrack, it suits both races like the Silk Road Mountain Race and long-haul journeys requiring absolute robustness and maximum load capacity. A lasting investment for a lifetime of adventures.
| Feature | Value |
|---|---|
| Material | Titanium 3Al/2.5V Grade 9, cold-formed tubes, variable wall thickness |
| Weight (size M) | 1650 g (frame only) / 1750-1800 g depending on size |
| Wheel compatibility | 700c x 47c to 29" x 2.4" |
| Available sizes | S, M, L, XL |
| Bottom bracket | T47 x 85.5 mm |
| Rear axle | 148 x 12 mm thru axle |
| Seatpost | 27.2 mm diameter, dropper post compatible |
| Seat collar | 31.8 mm |
| Headtube | Tapered 1"1/8 - 1"1/2, Semi-integrated headset ZS56/44 mm |
| Rear brake | Postmount 160 mm |
| Derailleur hanger | SRAM UDH (Universal Derailleur Hanger) |
| Compatible drivetrain | MTB Boost standard, single chainring 36T max, chainline 53 mm |
| Fork compatibility | Rigid or suspension 80-100 mm, axle-to-crown height 480-500 mm |
| Rear stays design | Lowered stays for vertical flexibility and comfort |
| Mounting points | 3 bottle cages, rack, fenders, top tube and frame bag |
| Cable routing | Internal or external for derailleurs, rear brake, dropper post |
| Finish | Brushed titanium, laser-etched logo |
| Stack/Reach geometry (L) | 654 mm / 412 mm (ratio 1.59:1) |
| Wheelbase (M-L-XL) | 1066-1110-1106 mm |
| Recommended heights | S: 163-172 cm / M: 170-180 cm / L: 178-188 cm / XL: 185-200 cm |
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