Chromag Lowdown Frame & Shock West Kelowna lizard green frame
hromag Lowdown Frame & Shock West Kelowna Black
hromag Lowdown Frame & Shock West Kelowna Black bike

Chromag Lowdown - Frame & Shock

Regular price$4,000.00
Shipping calculated at checkout.

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This is a special order product, unless noted that it is in-stock please allow additional 2-3 weeks for fulfillment time.

Contact for confirmation on availability and colours.


SHOCK // Rockshox Super Deluxe Air Ultimate

The Lowdown takes everything Chromag has learned developing their full suspension line, and directs it into a long travel bruiser. They still have a penchant for 4130 steel, 29" wheels, slack head tube angles (63.5°) and steeper seat tube angles (79°), but now they've paired all of that with 170mm up front and 158mm out back.

The way they see it, they're still drawing strongly on their hardtail roots and design philosophy, they just removed one more constraint. 


As you might expect from any Chromag, The Lowdown relies firmly on a 4130 chromoly steel foundation. We believe that the ride characteristics and aesthetics for which their hardtails are known, absolutely translates to a full suspension platform.

However, a dual suspension rig provides different challenges, which is why they opted for 6066 aluminum chainstays and seatstays. Primarily for weight saving and stiffness, but the chainstay also houses bearings which is more difficult to do in steel. Using a mix of aluminum and steel helps strike the right balance of compliance and rigidity.

The rocker is made from forged aluminum due to its strength/weight ratio and ability to be machined.

Suspension Philosophy

We chose to use a 4-bar suspension layout for the Lowdown, with a main pivot located just above the bottom bracket, a seattube-mounted rocker link, and a vertically oriented, trunnion-mounted shock. We found this layout to strike a good balance of tuneability, ride quality, and elegant simplicity. A 4-bar layout offered enough tuning parameters for us to design the suspension characteristics the way we wanted them, simultaneously achieving our targets for leverage ratio, progression, anti-squat, and anti-rise.

At the same time, it keeps things simple and intuitive. With no hidden hardware, sliders, or concentric multi-link pivots, every pivot can be accessed, bolt-checked, and worked on without taking the whole bike apart.


REAR TRAVEL // 158mm
MATERIAL // 4130 Chromoly Steel / 6066 Aluminum
HUB SPACING // Boost 148mm
HEADSET // 44-56 Semi Integrated
SEAT POST SIZE // 31.6mm
BB // 73mm Threaded
SHOCK SIZE // 205 x 60mm Trunnion
LOWER SHOCK SIZE // 20 x 8mm
BRAKE MOUNT // 180mm Post


Chromag Lowdown size chart Kelowna

Frame Size S M M/L L XL
STACK 623 623 625 637 646
REACH 449 471 490 513 530
EFFECTIVE TOP TUBE 570 592 612.5 637 656
HEAD TUBE 100 100 105 115 125
WHEEL BASE 1232 1254 1280 1302 1324
BB DROP 30 30 30 30 30
BB HEIGHT 345 345 345 345 345
STAND OVER 689 718 747 777 806
CHAIN STAY 440 440 440 440 440
SEAT TUBE 350 380 410 440 470
MAX POST INSERTION* 201 231 260 288 316

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Smith Creek Cycle Bike Shop Team

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Smith Creek Cycle

Welcome to Smith Creek Cycle, your premier destination for all things cycling in the beautiful Okanagan region. Established in 2020 and proudly owned by Brian McClelland, our small bike shop is passionate about serving the local cycling community and beyond.

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