The 3T bike story has now been widely told, argued about, and delivered it's share of true fans and copycats. In the gravel world, the prescient design and development of the Exploro frameset has deeply influenced the industry. The wide tire clearance, 700c or 650b wheel capability, and an emphasis on speed and 1x/2x drivetrain options are now common. However, 3T has pushed further, driving better aerodynamics and efficiency, as well as massive tire clearance, now found in the Exploro RaceMax. This is a frameset that can offer impressive speed and all around capability for cyclists to whom that is crucial, whether racing or just tearing up gravel to avoid pavement and cars. At the same time, the adventure or long distance gravel rider who prefers to tackle all terrain with a goal of not walking, can build out the same frameset with tires that push 61mm (2.4"), yet still have a road like feel and geometry. If the Exploro set a new direction, the Exploro Racemax creates a whole new world of cycling opportunity whether a racer, a maximizer, or anyone in between.

To understand the development of the Exploro RaceMax from 3T's perspective, you have to embrace two concepts: Width as measured, and Radius as measured, or WAM and RAM. The goal was to max a true aero frame and fork that integrated clearance and aero coverage. By understanding that WAM and RAM vary with internal rim width, desired tire pressure and actual tire specifications (not listed). As the internal width grows, the tire shape and volume changes- same with pressure. As such the listed tire spec becomes irrelevant and only actual measurements provide the true distance and clearances needed. Instead of guessing and over building distances, the frame and fork can be designed for real measurements. The same principles apply to another aero concern- water bottles. As bottles are fairly standard, acronyms aren't really required, and suffice to say the size-specific downtube was shaped and gradually widened to allow for cleaner airflow through to the rear triangle.

With the seattube cutout and seatstay bridge you can see the combination of upper clearance and optimal aero shielding, even with adequate mud clearance. Instead of the now customary dropped driveside lower stay, both stays have been dropped, delivering even greater clearance and increased lateral stiffness. Cyclists choosing 700c wheel options can opt for 1x or 2x drivetrains with no problem. The knowledge of the real working RAM of 347-353mm allows you make the optimal tire and rim choice for speed, volume and efficiency. You can see the same thought process with the fork design, which has a minimal height crown that is both exceptionally strong and wide. The axle to crown is 370mm, the same as the average road bike, keeping the tire closer to the downtube- again more aero. The second aspect is that the front end is lower, improving handling and road-bike feel. ... Read More