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Chromag Rootdown Complete G2

$3,959.00 $4,650.00
In store: Check availability

Available in store

SKU: 302-131-04

The shop's go-to hardtail. Get yours here! All bikes tagged "Not in store" can be shipped in 2-3 weeks. Financing available, contact for rates. FREE CANADA WIDE, $150 USD SHIPPING


Build KitGeometrySpecifications

The Rootdown

Built with Chromag's custom-drawn tubes and featuring a 12x148mm boost rear end as well as stealth post routing, this is the evolution of Chromag frame design in 29er form. The Rootdown is compatible with tires up to 29x2.50 and 27.5+ up to 2.80 wheels. This bike is an agile ascender and a dominant descender that is ready for anything.

4130 Steel

The frame is made from quality 4130 chromoly steel tubing. Chromoly is an abbreviation for chromium-molybdenum indicating the materials that the steel is alloyed with. The added chromium helps increase the steels hardenability and also provide some corrosion resistance. The molybdenum helps to increase the toughness of the steel.
It has a high tensile strength but is also malleable, giving Chromag frames their notorious ride quality and feel. Chromoly is often used when more strength is required than that of mild carbon steel.

Shop Thoughts

The Rootdown offers something for everyone from seasoned vets to first time riders. The reactivity of hardtails allows them to be great learning devices for everyone. Paired with its ability to run 27.5+ tires, you can truly ride this bike year round. The G2 build has everything you need and nothing you don't.

Build Kit

Frame Rootdown Chromoly Steel
Suspension Suspension
Fork Rock Shox Lyrik Select 160mm Boost
Shock -
Brakes Brakes
Brakes SRAM G2 RSC
Brake Rotors SRAM Centerline 180mm
Drivetrain Drivetrain
Derailleur SRAM GX Eagle
Shifter SRAM GX Eagle
Cranks SRAM GX 170mm
Cassette SRAM GX Eagle 10-52T
Bottom Bracket SRAM
Chain SRAM GX Eagle
Tensioner / Guide -
Controls Controls
Handle Bar Chromag OSX Rise 25mm Width 800mm
Stem Chromag HiFi BSX Length 40mm
Grips Chromag Format
Headset Cane Creek 40 ZS
Saddle Chromag Trailmaster DT
Dropper Post RockShox Reverb or OneUp Dropper
Dropper Lever RockShox or OneUp
Wheels Wheels
Wheelset Chromag Phase30 Rims, Chromag R4 Hubs
Front Tire Maxxis Minion DHF 29"
Rear Tire Maxxis DHR 29"



(mm) S M M/L L XL
A Reach 421 446 463 487 503
B Stack 630 630 639 648 657
C Head Tube Length 105 105 105 115 125
D Head Tube Angle 64.0° 64.0° 64.0° 64.0° 64.0°
E Front Center 752 777 798 826 847
F Wheel Base 1177 1202 1223 1251 1272
G Rear Center 425 425 425 425 425
H Bottom Bracket Drop 50.8 50.8 50.8 50.8 50.8
I Bottom Bracket Height 320 320 320 320 320
J Seat Tube Angle 76.0° 76.0° 76.0° 76.0° 76.0°
K Seat Tube Length 368 406 431 456 494
L Bike Stand Over 677 714 738 762 799
M Effective Top Tube Length 578 603 622 648 667
N Offset 44 44 44 44 44
O Axle To Crown N/A N/A N/A N/A N/A
P Rider Height 5'1" - 5'5" 5'4" - 5'8" 5'7" - 6'0" 5'11" - 6'3" 6'2" - 6'6"



Recommended Fork Size 150-170mm 
Seatpost / Clamp Diameter 31.6mm / 35mm
Headset Size 44-56 Semi Integrated
Bottom Bracket 92mm Press Fit (PF92)*
Rear Wheel Spacing 12x148mm
Crank Chainline N/A
Rear Brake Mount N/A
Derailleur Hanger SRAM UDH


Making Your Bike Purchase Special

If you have any questions about choosing a bike, don't hesitate to contact our team of professionals to help guide you through the processes. We will reach out to you after the purchase to find the optimal set up for your riding style and weight.

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