The Chiru Divider Pinion is much more than a simple titanium frame: it's an ultra-endurance platform designed to face the unknown, whether on the legendary French Divide or during your own long-distance adventures. Cold-formed Grade 9 titanium, sealed and maintenance-free Pinion C1.12 drivetrain, optimized bikepacking geometry: everything has been designed to free you from mechanical constraints and allow you to ride thousands of kilometers in complete autonomy.

Summary — A disruptive adventurer for ultra-distance

(cite index="3-2,15-3">Designed and developed for the French Divide, this Divider Pinion titanium frameset is equipped with a Pinion drivetrain, a true mechanical revolution inherited from automotive engineering. (cite index="23-7">The DIVIDER PINION titanium frame allowed Pierre-Arnaud to complete the 2,200 km of this unique race in France in 9 days, 12 hours and 52 minutes. (cite index="14-1,14-6">A Pinion drivetrain was essential to tackle the 32,000 meters of elevation gain of the French Divide, a race linking the French-Belgian border to the French-Spanish border in complete autonomy. This complete frameset combines performance, comfort, absolute reliability and maximum carrying capacity.

Technical Highlights — Zero maintenance, maximum reliability

• Pinion C1.12 12-speed drivetrain: (cite index="24-3,15-7">600% gear range, maintenance every 10,000 km and more. (cite index="14-8,14-9">The integration of the Pinion drivetrain eliminates any problem of breakage or maintenance of the gearbox, protected from water and mud thanks to its sealing. Gates Carbon Drive CDX belt for silent operation and no chain wear.
• Grade 9 titanium frame (3Al/2.5V): (cite index="24-8">Proprietary tubes with differentiated sections and thicknesses, cold-formed for weight savings and optimal strength. Elegant brushed finish.
• Long-distance comfort: (cite index="24-5,24-6">Curved seatstays attached low on the seat tube to optimize comfort by increasing deflection, 27.2 mm seatpost for even more flexibility.
• Extreme versatility: (cite index="14-11,23-10">Massive clearance accepting 27.5" × 3.0" or 29" × 2.8" tires, optimal size between 2.0" and 2.4". (cite index="14-12">Compatible with rigid or suspension fork 100–120 mm.
• Sliding rear dropouts: ±15 mm adjustment for belt tension and optimal rear wheel positioning according to your riding style.

Geometry and Standards — Everything for loaded bikepacking

The Divider Pinion geometry is the result of highly specialized design. (cite index="24-4">It optimizes carrying capacity and integrates three bottle cage mounts. The curved top tube accommodates large frame bags, with integrated mounting points for perfect retention. (cite index="14-10,23-9">Modern geometry with mounting points for 3 bottles, bolt-on top tube bag, full frame bag, rear rack and fenders. Internal routing provided for rear lighting.

• Headset: Semi-integrated tapered ZS56/44 mm (1"1/8–1"1/2)
• Rear axle: 148 × 12 mm thru-axle
• Seatpost: 27.2 mm diameter (31.8 mm clamp), dropper post compatible
• Braking: IS 160 mm Post Mount standard at rear
• Routing: Internal for Pinion rotary shifter, rear brake hose in downtube, dropper post, lighting cable

Complete Kit Delivered — Everything to set off on adventure

(cite index="24-9">The kit includes: titanium frame, Pinion C1.12 gearbox, Pinion 175 mm aluminum cranks, rotary gear selector, Gates CDX SL 32-tooth output sprocket, Gates CDX 30-tooth 9-spline rear cog, Gates CDX 115-tooth belt, ZS56/44 CEC semi-integrated headset, (cite index="2-8">seat clamp, titanium bottle cage hardware, rear wheel axle. A solid base to build your ultra-endurance machine.

Available Variants

• Sizes: S, M, L, XL — (cite index="23-12">Reach from 414 to 453 mm, stack from 610 to 632 mm, effective top tube from 595 to 640 mm depending on size
• Fork (optional): CEC #485+ carbon fork (485 mm A-C, 690 g) or CEC #475T+ titanium fork (475 mm A-C, 785 g, clearance 29" × 2.35" / 650B × 2.4", internal routing for brake and dynamo, fender and rack mounts 3 kg/side)