The Silkroad Family

Pinion Gearbox

The sealed Pinion gearbox is centrally located in the frame, resulting in a low center of gravity and the superb riding experience. Because of the weight distribution, the bicycle handles with exceptionally agility and dynamics. Depending on the application, the gear ratio spans from the urban C1.6 6-gear gearbox with an overall ratio of 295% to the P1.18 premium model with 18 gears and an overall ratio of 636%. Ergonomically, it is suited to both short and long rides with stance widths (Q-factor) of just 166 for C-line and 174 millimeters for P-Line gearboxes. It allows for both sporty as well as efficient riding, as the pedaling power is applied directly into the drivetrain.

26" Wheels

The classic wheel size is characterized by a number of advantages: ruggedness, international availability, superb maneuverability and maximum comfort. The 26" wheels are especially versatile, as the large selection of tire types allows your bicycle to be tailored precisely to your riding preferences. Even if your type of riding and preferences change over time, your bike remains flexible. The universal availability of spare parts is advantageous both for round-the-world trips and for urban riding, as you can find a 26" tire in just about any bicycle shop in the world. As magazine "Mybike" stated: "We believe the 26" is a wheel size that will survive all fashion trends, as the advantages speak for themselves."

Belt Compatible

Free yourself from oily, rusty chains and join the Gates Carbon Drive revolution: Clean, quiet, rugged. Almost no other component has advanced the bicycle as a mode of low-maintenance transport as much as the Gates Carbon Drive belt. Particularly when used year-round, you'll be pleased with its low maintenance as periodic cleaning is all that's required. Belts even last two to three times longer than a chain. Tout Terrain was one of the first manufacuters to offer bicycles with belt drives, and with more than 10 years of experience we have optimized our frames for this purpose. Unlike a chain which can ""unlink"" to fit onto a bike, a belt is seamless, so the frame must "open" to allow it to fit onto the drivetrain. Our belt-specific dropout design is an integral part of the frame and very discrete. The connection is made of stainless steel and will provide a lifetime of reliability.

Expedition II Geometry

Our Expedition II Geometry keeps you stable and confident while carrying your gear, yet still maintains a lively and agile ride. We have extended the head-tube for a more upright riding position and shortened the axle-to-crown height to 400 mm to offer more fork options. The long chainstays help the bike track well, while providing balanced weight distribution and increased heel clearance to your panniers. Generous toe- and stand-over clearance give you the confidence to ride through challenging terrain.

Thermocrom Tubeset

The Thermocrom tubeset brings our frame construction to the next level. Heat treating the steel allows us to strategically use thinner wall tubing in certain, areas reducing weight without sacrificing durability. We can fine-tune the classic steel ride of each frame to its specific application, balancing weight, stiffness, and compliance. Thermocrom shares virtually all of the characteristics of our Dedacciai tubing, but represents a massive reduction in your bike's overall carbon footprint due to a reduction in the shipment of the raw materials and tubing between countries.

TBA III (for Pinion)

The TBA pinion bridge is like an eccentric bottom bracket, but for frames that use a Pinion gearbox. The third version of our TBA is lighter, stiffer, and offers increased tire clearance over previous versions. Updated geometry also makes the welded connection to the frame tubing more robust. The TBA works by rotating the gearbox around its central pivot by turning a simple adjustment screw. The TBA rotates the gearbox eccentrically, thus tensioning the chain or belt. This lets us use fixed dropouts rather than more complex sliding or rotating designs. Because the rear wheel is in a fixed position, wheel alignment is consistent and the rear fender is always perfectly aligned and with the wheel and tire.

T-Coat

Every frame is painted in-house with our robust and high-quality T-Coat powder coating process. This ensures a beautiful and durable finish even under the toughest conditions. The T-Coat consists consist of one, two three layers depending on the component - this allows us to optimise the surface, weight and corrosion characeristics for each use case.

Expedition Features

Exceptional attention to detail make this our most feature-rich Expedition frame to date:

• 4 bottle mounts for more water- and cargo-carrying capacity
• Internal wiring channels through the top-tube and Expedition rack
• Frame-lock mounts and optional pack-roll stop for security on the go
• 3D dropout design and construction (belt-compatible) with 12x142 mm thru-axle for Derailleur, Rohloff and Pinion drivetrains
• Updated chainstay yolk/bridge is lighter and stiffer
• Larger diameter, internally-butted head tube increase stiffnes with no weight penalty
• Machined bottom-bracket shell / Updated Pinion Bridge on Xplore models