The many personalities of SARANA

What’s SARANA all about? Looking at the fact that in its first official race, it won the Traka 560 piloted by ultra endurance athlete Victor Bosoni, the answer seems clear: it’s the ultimate ultra endurance gravel bike. Yes, that’s true, but it can be so much more.

The key to the many faces of the SARANA can be found in the carefully conceived design and geometry details. “We designed the frame as a complete system; you can’t change one thing without affecting everything else,” explained Graham Shrive, Factor Chief Engineer. “We split so many hairs to make sure everything worked together.”

Even if the genesis of the initial design concept was intended to cater to the types of mind-blowing ultra-endurance rides that Factor Racing’s Rob Britton, 2025 Unbound XL champion, has come to specialise in doing, the resulting bike offers the same type of control and composure that even non-ultra riders will appreciate.

“This is an incredibly versatile bike. There’s nothing you can’t do with it, especially if you can swap back and forth from the rigid to the suspension fork, like I do. It has a bunch of different personalities,” Rob Britton said. “The cool thing about this bike, too, is that it climbs so well. There’s really no weight difference between the SARANA and the OSTRO Gravel frame. If you add the widest tyres and a suspension fork, that’ll make a difference, but holding the frames side by side, there’s basically no difference.”

Design feature deep dive

When thinking about designing a bike that can allow a rider to sustain fast, efficient pace for events like the BC 1000, the Badlands, or the Transcordilleras, you need to create a bike that has the geometry that is aggressive, but not so aggressive that the rider’s form collapses after hours in the saddle. Factor-level handling is also necessarily non-negotiable, which translates into needing to be responsive and sharp, while still maintaining control over seriously rough terrain.

Consequently, the geometry is designed to put riders in a forward and aggressive racing position that will encourage the type of handling that feels responsive up front and nimble in the rear, thanks to the 71.5° head tube angle which delivers a 65 mm trail up front, while the 425 mm chain stays enhance that quick feeling in the rear. The bottom bracket drop that ranges between 80 and 82 mm maintains a low centre of gravity and planted feeling, even when running the widest possible tyres. The result is the most stable handling bike in Factor’s gravel range.

Stability and capability go hand in hand, and to make the SARANA even more versatile, the designers and engineers ensured the frame could support both a rigid and suspension fork with 30 mm travel without impacting the geometry or handling. They did this by increasing the fork length to 427 mm, which is much longer than other bikes in the Factor gravel ecosystem. When buying the SARANA with suspension fork, we’ve spec’d it with the Rockshox Ruby, since it offers a 51 offset and 30 mm travel. Since it has a fork length of 435 mm and with 20% sag, it sits effectively at 427 mm.

For the rear design, the SARANA uses an offset seat tube to allow ample clearance for the 57 mm wide tyres while keeping the chain stays short. The additional advantage to this design is the spring-leaf effect absorbs road vibrations, which enhances the comfort levels no matter how long the ride may be.

Aero at lower speeds

Though modern short-distance gravel races are running closer and closer to road speeds, ultra gravel events necessarily take a more measured approach. If a 200 km gravel race still has a 35km/h average speed, a 1000 km event will likely be closer to 25km/h. So our designers worked to optimise the SARANA’s front end, giving it a sculpted profile designed to offer aero benefits specifically at lower critical speeds.

Similarly, the tube shapes were prioritised to accommodate the custom-designed frame bags that were also designed to enhance the aerodynamics of the system, while allowing the athlete to carry as much kit as required without a weight or balance penalty. The truncated aero profiles and hour-glassing of the head tube allow for smooth flow management, while a wider trailing edge on the head tube creates a smoother transition onto the bag sides.

The internal frame storage represents another way to carry extra stuff without having to resort to a seat bag, which causes extra drag. It’s a design that originated on our MONZA and adds to the practicality and versatility of the SARANA.

A variety of use scenarios

“I have put it through the wringer for everything. I have done everything from pretty spicy Saturday group rides, and midway through the ride we do an hour of absolute flat out and I ‘won’ that, with 40 mm tyres and the rigid fork,” Rob Britton confirmed. “But then I have also taken it on basically mountain bike trails when I have it built up with the suspension fork and dropper post. And then everything in between.”

In a simplified sense, aero-focused decisions dictated the front design while compliance was the rear focus, with an overarching attention to ensuring the handling remained sharp across all sizes. That mix makes the SARANA one of the most accommodating bikes in the Factor line-up. Though the race focus is essential, that doesn’t mean that everyone who rides on has to be some mad-capped ultra-endurance athlete. The control, efficiency, stability, and utility of the bike mean that it can suit all sorts of riders on all types of terrain.

“The first real event I ever did on the SARANA was the Mega Hopper in California last October. That’s just the sort of thing the bike was designed to do,” Rob said. “It was 680 km and more climbing than you should do in that amount of time. It was cool, because it was a ride that was 85% road and 15% dirt, but again, the SARANA showed its versatility and proved how well it has been designed to be fast and capable in tons of situations.”

With the 57 mm (2.2-inch) tyre clearance combined with the in-built frame vertical compliance and the carefully dialled geometry, the SARANA offers exceptional suppleness that can save discomfort whether the ride lasts two hours or twenty.

“The SARANA is so cool because it takes you back into the more inclusive, fun, and personal-challenge side of gravel, which is, I think, why everyone got excited about gravel in the first place. I think this bike lets you do so many great things on a bike. It’s just so fun to ride.” – Rob Britton, Factor Racing

Follow us for the latest updates from all our athletes.

Instagram / Facebook / Youtube