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LV 145mm | Dream Build Kit | DVO Suspension & OneUp Components

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*Order Now To Be Put In Queue for Fastest Delivery – Will Ship in Approximately 4 Weeks*


USA Hand Built Chromoly Steel Full Suspension, by Experienced Riders, for all Riders


Dreams Steel Do Come True
Including major components for your next mountain bike build our dream build kit will make your dreams come true. Your choice of Fork, Shock, Dropper Post, Grips and Pedals from our premium components partners. Only the best for the best, our customers!

Efficient & Playful
Play in the parking lot and then get serious on the single track, this is your next frame. Our 2021 LV145 Chromoly Steel Full Suspension Mountain Bike Dream Build Kit has grown up for 2021. We’re able to keep up with the trends faster than the big brands and give you a bike that won’t become obsolete next year. We’re ahead of the curve on Geo. Our LV145 MTB frame was designed for the rider that was looking for the best all-rounder they could find. Designed with a Mid-High pivot point with great effect. This is a bike that pedals up, jibs and slays single track all in the same session.

Chromoly Steel Construction
From our years of experience with many other bikes, finding what we loved and disliked, they always left us with a bigger dislike list than love list. They did a satisfactory job but we wanted a bike that blew all the others away. This was the motivation for the LV chromoly steel full suspension frame, the best of what we loved with the added bonus of our features that we wished we had such as dura.

Popular Specs
Made for 73mm BSA bottom bracket, 148mm boost, internal cable routing for dropper seat posts, tapered forks. All your modern trail bike specs in a more progressive and exciting package.

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
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 impact which allows you to carry more speed.

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.


Why Chromoly?
Chromoly is much stronger than traditional steel and aluminum alloys. Chromoly is the most eco-friendly material that we’ve seen besides bamboo that’s being made into bicycles. Studies show that chromoly requires 6-11 times less energy and emissions than competing materials to manufacture and process.

Most people looking to buy our frame will have their minds made up on chromoly steel frames and prefer this material for their next frame but if you’re new or curious to this amazing material, here are some of the advantages you’ll hear from experienced riders:

You’re buying a bike that will stand the test of time with proper care and maintenance. Imagine owning a bike that can be welded and repaired rather than degrade and be thrown away. Most people consider the user-friendly nature of chromoly to be a very wise investment.

Our LV145 steel full suspension mountain bike frame is engineered with controlled flex, working with the natural flex of heat treated chromoly and stiffening it up where it’s necessary for maximum efficiency. Chromoly tubing for a mountain bike is very thin yet incredibly strong, it has an inherent flex that people strive for in order to reduce vibrations translated to their hands and feet which works to reduce rider fatigue and increase rider comfort. Ride longer, more comfortably and much harder. Slight flex in the rear keeps the wheel planted in sharp hard turns keeping you on two wheels.

Chromoly’s strength to weight ratio rivals that of titanium yet it’s more affordable. Rest easy knowing what you’ve accepted as norm, steel is strong. Imagine a high tech lighter weight yet stronger alloy of steel being made into a frame for your next mountain bike. There are pluses and minuses for every known material being made into a mountain bike frame but welded seems, not glued, is something we personal feel is more safe and secure. Metal melted to metal, not piece, glued to piece. Fancy marketing words will lead you to believe other materials are “one solid piece” (“Monocoque”) but research shows that’s misleading, it’s actually multiple segments glued together into one piece which is strong too for only a comparable very short lifespan. Ride safe though, we can’t be held responsible for your new found feel of steel, ride at your own risk, ride responsible.

Chromoly steel mountain bike frames possess a natural flex that absorbs sounds. While not completely silent when contact is made with rocks or roost, the ride is very stately feeling. Focus on the path ahead, not nuisances.


The LV was developed with progressive forward thinking geometry in mind. Utilizing slack geometry with proper low-offset forks provides a stable, fast and well handling machine.

Geometry SIZE 1
(5’5″/1.65m to 5’10″/1.78m)
(5’10″/1.78m to
(6’1″/1.84m to
Head Tube Angle 64° (160mm Forks)
64.5° (150mm Forks)
64° (160mm Forks)
64.5° (150mm Forks)
64° (160mm Forks)
64.5° (150mm Forks)
Seat Tube Angle 76° (160mm Forks)
76.5° (150mm Forks)
76° (160mm Forks)
76.5° (150mm Forks)
76° (160mm Forks)
76.5° (150mm Forks)
Bottom Bracket Drop 23mm 23mm 23mm
Reach 475mm 495mm 514mm
Effective Top Tube (approximate) 597mm 626mm 641mm
Seat Tube Length 405mm 425mm 455mm
Chainstay Length 445mm (adjustable +15mm) 445mm (adjustable +15mm) 445mm (adjustable +15mm)
Headtube Length 120mm 120mm 120mm

LV Frame Specs

No One-Off specs here, we designed the LV frame to accept all current popular standards including internal routed dropper post, boost, tapered steerer tube forks, 12-speed etc.

Frame Weight 8lbs 14oz/4kg To 10lbs/4.5kg (Size 1-Size 3 – raw, no hardware, no shock)
Headset Included
Spec: ZS44/EC44 (Ferrum Branded)
Rear Axle Included
Spec: 180mm Length – 12×1.5 Thread Pitch
Rear Wheel Travel ~145mm (Axle Path)
Rear Wheel Tire Clearance Up To ~27.5×2.6″ to 29×2.4″(Adjustable for smaller are larger wheels/tires)
Rear Shock 200x50mm
Shock Hardware 22x8mm Front and 40x8mm Rear
Hub Spacing Rear BOOST 148mmx12mm (Axle Included)
Bottom Bracket Standard 73mm BSA Threaded
Max Fork Travel 170mm
Forks Steerer Spec Tapered Forks 1.5″ > 1-1/8″
Seatpost Diameter 31.6mm
Dropper Seatpost Cable Routing Internal
Seat Post Clamp 34.9mm (Included)
Hydraulic Disc Brake Mount Rear IS
Hydraulic Brake Disc Diameter Max (Rear) 203mm
ISCG-05 Recommended ISCG-05 BB Adapter as shown HERE

DVO Forks Specs

Diamond Boost Fork Specs
Adjustments High/Low Speed Comp. – Rebound – OTT
Travel 27.5=150-170 | 29er=140-160 (29er 170mm Coming Soon)
Standard Offset Crown Offset: 27.5=44mm | 29=51mm
Short Offset Crown Offset: 27.5=37mm | 29=44mm
Axle To Crown 27.5 = 565mm | 29 = 572mm (at max travels)
Stanchions 35mm Tapered Aluminum Alloy
Wheel Size 27.5 & 29
Axle 15mm Boost
Steerer Options Tapered Aluminum Alloy
Brake Disc Direct Mount 160mm (Post)


Onyx SC Boost Fork Specs
Adjustments High/Low Speed Comp. – Rebound – OTT
Travel 160-180
Standard Offset Crown 42mm
Magnesium, Disc Only
Axle To Crown 575mm (at max travel)
36mm Tapered Aluminum Alloy
Wheel Size 27.5/650b: Up to 180mm
29er: Up to 180mm
Axle 15mm Boost
Steerer Options Tapered Aluminum Alloy
Brake Disc Direct Mount 180mm (Post)


Original Owner: 3 Years Materials and Workmanship

Second Hand Owner:
2 Years Materials and Workmanship from Original Owner’s Purchase Date

Warranty Terms

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1 review for LV 145mm | Dream Build Kit | DVO Suspension & OneUp Components

  1. Tom Schmidt (verified owner)

    I am very happy with my decision to go with a custom build and choosing Ferrum as my frame builder of choice. Clean welds and great eye on detail. I would highly recommend Ferrum to anyone that is looking for the quality which is expected and inherent from a handbuilt bike frame. As other reviews noted on the Web, the bike is not only a work of art, but most importantly the ride is absolutely smooth as one would expect.

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