Bikes up to 60% offWe monitor over 40,000 bikes daily to find the best prices

Today’s Deals

2025 NS

Define AL 140 1

A 29″ aluminum frame full suspension trail bike with high-end components.
Compare the full range

FrameAluminum
SuspensionFull, 140 / 150mm
ForkFox Performance Float 36
ShockFox Float X Performance
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetGX Eagle, NX Eagle
BrakesSRAM G2 R Hydraulic Disc
SeatpostDropper
View on nsbikes.comLearn about NS
Where to Buy
Similar Bikes
Top Comparison
Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Define AL 140 1
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)

25 mph

Define AL 140 1

26 mph

Similar Bikes

Highest gear

(descending)

Sizing
SM

5'2" – 5'7"

MD

5'6" – 5'11"

LG

5'9" – 6'2"

🐐 Estimated

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.

Geometry
Specs
Build
Frame

NS Bikes Define AL w/ 140mm travel

BB StandardBSA, 73mm, Threaded

Fork

Fox Performance 36 Float Grip, 150mm travel, 3pos-Adj w/ Open Mode Adj, 15x110mm Boost, 1.5 tapered steerer tube, 44mm offset

Travel150mm

Spring TypeAir

Shock

Fox Performance Float 2pos-Adj Evol LV Trunnion 205x57.5

Travel140mm

Bottom Bracket

SRAM DUB BSA 73mm

Headset

GW integrated tapered IS42/IS52, sealed bearings

Stem

NS Bikes Quantum Lite 45mm, 35mm diameter

Handlebar

NS Bikes 35, 780mm, 20mm rise

Saddle

WTB Volt Medium Cromoly

Seatpost

Race Face Aeffect R 31,6mm diameter. S - 125mm, M - 150mm, L - 170mm

TypeDropper

Grips

NS Bikes Hold Fast supersoft

Groupset
Rear Derailleur

SRAM GX Eagle

Crank

Truvativ Descendant 6K DUB 170 32t

Shifters

SRAM NX Eagle

Cassette

SRAM PG-1210, 11-50t, 12spd

Chain

SRAM SX Eagle

Brakes

Front: SRAM G2 R 4 piston, 200mm, Rear: SRAM G2 R 4 piston, 180mm

TypeSRAM G2 R Hydraulic Disc

Wheels
Rims

Octane One Solar 29”, 32h, tubeless ready

Front Hub

NS Bikes Rotary

Rear Hub

NS Bikes Rotary

Tires

Maxxis Rekon EXO TR 29x2.4WT

Rider Notes
Riders Also Viewed

First added June 16

Last updated May 30