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2025 NS

Define AL 155 1

A 29″ aluminum frame full suspension enduro bike with high-end components.
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FrameAluminum
SuspensionFull, 155 / 170mm
ForkFox Performance Float 36
ShockFox Float DPX2 Performance
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetGX Eagle, NX Eagle
BrakesSRAM Guide RE Hydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Define AL 155 1
Other Enduro 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 155 1

26 mph

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Highest gear

(descending)

Sizing
SM

5'2" – 5'7"

MD

5'6" – 5'11"

LG

5'9" – 6'2"

🐐 Estimated

Rider Fit Notes

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Geometry
Specs
Build
Frame

NS Define AL w/ 155mm travel

BB StandardBSA, 73mm, Threaded

Fork

Fox Float 36 Performance Float Grip, 170mm travel, 3pos-Adj, 110x15mm Boost, 1.5" Tapered

Travel170mm

Spring TypeAir

Shock

Fox Performace Float X 2pos-Adj Trunnion, Evol LV, DPX2 205x65

Travel155mm

Bottom Bracket

SRAM DUB BSA 73mm

Headset

integrated tapered IS42/IS52, sealed bearings

Stem

NS Quantum Lite 35, 45mm

Handlebar

NS Bar 35, 800mm, 20mm rise

Saddle

WTB Volt Medium Cromoly

Seatpost

Race Face Aeffect R | S: 125, M: 150, L: 170mm, 31,6mm

TypeDropper

Grips

NS Hold Fast

Groupset
Rear Derailleur

SRAM GX Eagle, 12spd

Crank

Truvativ Descendant 6K DUB 170mm 32t

Shifters

SRAM NX EAGLE, 12spd

Cassette

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

Chain

SRAM, 12 spd

Brakes

Front: SRAM Guide RE, 200mm, Rear: SRAM Guide RE, 180mm

TypeSRAM Guide RE Hydraulic Disc

Wheels
Rims

Octane One Solar 29”, tubeless compatible

Front Hub

NS Rotary 15 Boost 15x110 disc (sealed bearings)

Rear Hub

NS Rotary Cassette 148x12mm Boost (sealed bearings)

Tires

Front: Maxxis DHF EXO/TR 29x2.5" WT, Rear: Maxxis Aggressor EXO/DD/TR 29x2.5" WT

Rider Notes
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First added June 16

Last updated May 30