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2026 Devinci

Kobain SX 12S

A 29″ aluminum frame hardtail trail bike with upper mid-range components.

Manufacturer Price

$1,949
Weight31.9 lbs  
FrameAluminum
SuspensionHardtail, 130mm
ForkMarzocchi Bomber Z2
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetSX Eagle
BrakesSRAM Level T Hydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Kobain SX 12S
Other Trail bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

24 mph

Kobain SX 12S

26 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Sizing
SM

5'2" – 5'8"

MD

5'6" – 5'11"

LG

5'9" – 6'3"

XL

6'1" – 6'6"

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Price History
Geometry
Specs
Build
Frame

Aluminum Optimum G04

ColorAl13 Gloss

Fork

Marzocchi Z2 Rail Sweep Adjust 130 | 44 Offset

Travel130mm

Spring TypeAir

Bottom Bracket

Truvativ Power Spline

Headset

FSA Orbit | 1.5E | Zero Stack

Stem

V2 Pro | B:35mm | L:50mm | 0°

Handlebar

V2 Pro | B:35mm | R:15mm | W:780mm

Saddle

Devinci

Seatpost

TranzX Dropper | 31.6mm | 1x Lever | 130mm

TypeDropper

Grips

Devinci Performance | w/lock-on

Groupset
Rear Derailleur

SRAM SX Eagle 12s

Crank

SRAM SX Eagle 12s 30T Boost 148

Shifters

SRAM SX Eagle | 12s

Cassette

SRAM PG1210-12s 11-50T HG

Chain

SRAM SX Eagle | 12s

Brakes

Front: SRAM Level T | 2 Pistons, Rear: SRAM Level T | 2 Pistons

TypeSRAM Level T Hydraulic Disc

Wheels
Rims

Front: V2 Comp 29 | 29mm inner | TR, Rear: V2 Comp 29 | 29mm inner | TR

Spokes

Sapim Stainless 14G w/Nylok

Front Hub

Formula DC-611 | Sealed | 6bolts | TA 15x110mm

Rear Hub

Formula | DHT-148 | 6 Bolts TA 12x148 BOOST

Tires

Front: Maxxis Minion DHF | 29x2.6 | Exo | TR | DualCompound, Rear: Maxxis Minion DHRII | 29x2.6WT | Exo | TR | DualCompound

Disc Rotors

SRAM Centerline | 180mm

Rider Notes
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First added May 2

Last updated June 13