Description
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USA Hand Built Chromoly Steel Full Suspension
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NV170 Chromoly Steel Mountain Bike Frame
Just now stumbling into the awesome world of Chromoly Steel? Or maybe you’ve ridden this amazing material and you’re not going to settle for anything less? Chromoly provides a feel that adds more excitement and satisfaction to your ride. Less noise, chatter and nuisance while minimizing harshness and providing a supportive feel are some of the benefits to chromoly steel mountain bike frames. If you’re new to the sport or a long time veteran, the benefits of chromoly steel are noticeable regardless and we are confident that you’ll find new confidence in your riding once you throw a leg over the NV170 and take it for a rip down your favorite trail.
100%+ Anti-Squat: High Travel Meets High Efficiency
It’s better to have it and not need it, than need it and not have it! With our design, you have to forget the idea that higher travel means less efficiency. This is a powerful combination that will take on hill that you want to throw at it while still having the travel to soak up the roots and boulders. The Pivot Point on our NV170 was optimized and obsessed over to bring to you a bike that delivers over 100% Anti-squat through it’s travel. When you pedal, you want your bike to put all the power into the ground and not into the suspension to go to waste. Every pedal stroke can force the system to soak up some of that energy causing you to wear yourself out faster. The biggest factor that determines pedal efficiency is the Pivot Point. Looking at our Anti-squat curve, you’ll see that the NV170 delivers over 100% Anti-squat throughout it’s travel.
Unreal Anti-Rise: Suspension Stays Active During Braking
During braking there is a force created that wants to cause the rear-end to rise, causing your suspension to extend and cease to work optimally, this is controlled by proper pivot placement and good design via Anti-Rise. Our anti-rise curve stays over 100% for over 105mm of travel, meaning your braking won’t affect your suspension action during this 0mm-105mm portion of travel. The last 30mm of travel, we have a gentle linear plot to 87% so you’re still in the zone where you’re in control of your bike’s behavior. It’s now up to you to learn the characteristics and master the ride.
Awesome Axle Path: Your Wheelbase is More Consistent
We discovered a balance with that others are just now starting to find with our Pivot Point working it’s magic. The first part of the axle path is regressive, meaning it grows to counteract a shrinking wheelbase. When descending the chunk, having a bike shrink on you can alter your handling and negatively effect your ride. The opposite of that is having too regressive of an axle path can cause your wheelbase to grow too much in corners throwing your corner speed off and causing an unpredictable handling characteristic in the twisties. Our mid-high pivot is the balance that others are just now realizing is working for them better as opposed to going with either ends of the spectrum.
CNC Machining
We opted for CNC machined shock mount/pivot arms to help give our frame it’s high end feel. Nothing says “high-end” more than CNC machined parts, especially our 4140 chromoly arms which are not kind to tooling and extremely expensive to machine. We spared no expense to offer a frame that despite it’s simplicity, it’s overachieving compared to bikes that cost a lot more.
Single Pivot Steeze and Durability
Stainless steel pivot axle and quad 6001-2rs bearings double stacked for longevity and rigidity where it matters most. Thanks to modern suspension technology, single pivot is back. Why single pivot? Easy maintenance and easy on your wallet. The ride is predictable and it doesn’t get hung up as easily on impacts which allows you to carry more speed on those steep descents. It offers a brilliant balance of amazing ride characteristics, simplicity and durability.
Adaptable
Slider Dropouts enable fine tuning of rear wheel adjustment due to wildly variable tire manufacturer sizing measurements. We think outside the box, so we offer a solution to fitment of your favorite size wheels and tires without sacrificing anything you’d love in a chromoly steel frame.
Modern Specs
Made for 73mm BSA bottom bracket, 148mm boost, internal cable routing for dropper seat posts, tapered forks. All your modern mountain bike specs in a more progressive and exciting package.
Marcus Melhuish (verified owner) –
I’ll start by saying steel is real! I have always been on a steel hardtail until I ordered this frame and it is amazing! currently running a 170mm bomber up front with 29” wheel and 27.5 out back and this thing handles like a trail bike and smashes rough terrain like a DH bike! The build quality is exceptional and looks sick too. All in all i could not be happier.
Joshua Padilla (verified owner) –
Riding the NV170 through rugged terrain feels like riding on a well maintained singletrack. I run 27.5 Enduro/DH wheels with a 190mm RockShox Zeb fork and an MRP progressive coil shock. I frequently ride mine over obstacles such as large downed trees and root riddled drops and have yet to break anything after a few months of constant riding. I’ve damaged linkage bearings on my Trek and Haro full suspensions in the past and even even cracked aluminum frames before so the extra durable single pivot and rugged steel of the NV170 is very much welcome. Don’t let the externally routed cables put you off either, this only makes it easier to maintain/replace drivetrain and brake components (functionality vs cosmetic). I suggest the NV170 to anyone that wants an extremely reliable and easy to maintain platform for shredding rough trails!
Jose (verified owner) –
Best enduro bike I’ve ever owned. Planted, silent and comfortable. It inspires confidence! I’ve beaten all of my previous times in the California Enduro Series with this bike!
Robert Samudio (verified owner) –
After owning and riding this bike for well over a year, I can properly give the frame the five stars it deserves. With 180mm up front and all that 170mm of plush coil travel in the back, this frame can take anything that you throw at it. Literally anything. It’s a mini downhill bike that doesn’t absolutely suck to pedal. Living in Texas, all there is to do is pedal. Pedal up climbs. Pedal down descents. Pedal everywhere because of how relatively flat it is here, and not once have I complained about the pedaling efficiency about the bike. Traveling out of state is where the bike really opened up for me. The frame is bomb proof. I’ve gotten myself out of situations on this bike that I thought might’ve put me in the hospital. If you want a bike that you will truly make you reach the limits of your riding ability before the bike even breaks a sweat, look no further.
All that being said, this bike is one of the most mechanic-friendly frames, with external routing, BSA threaded bottom bracket, easy sliding dropouts, shoot even the bearings on the single pivot are so easy to service with the location of them. Any time I have ever had a concern, the customer service has been world class. Truly a pleasure owning and riding a Ferrum, they have a lifelong customer out of me.