GX Eagle Boost Crankset
Top Pick
SRAM

GX Eagle Boost Crankset

4.6

Best durable upgrade for trail riders seeking reliable 1x drivetrain performance.

This crankset is the workhorse of the modern trail bike, balancing rugged durability with the precision of a 1x drivetrain. While it prioritizes long-term reliability over weight-saving extremes, the DUB interface and Boost compatibility make it a seamless, no-nonsense upgrade for any serious rider.

$160.00

In stock

at

Sierra Cyclesmith

See buying options
Crank Arm Length Mm 165
150 155 160
165
170 175
Intended Use Mountain
E-Bike E-Bike, Mountain
Mountain
Mountain, E-Bike
Drivetrain Speed Compatibility 11-Speed, 12-Speed
10-Speed 10-Speed, 11-Speed 11-Speed
11-Speed, 12-Speed
12-Speed 1x Eagle Transmission
Bottom Bracket Interface Type DUB
DUB
DUB, BB30, PF30 GXP GXP, BB30 ISIS
Number Of Chainrings 1
0
1
2

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Who it's for

  • Budget-conscious riders seeking premium performance without the high cost
  • Aggressive trail riders needing reliable security on rough terrain
  • Enduro riders demanding durable components that survive heavy abuse

Who should skip it

  • Weight-obsessed racers prioritizing the lightest possible bike setup
  • Aesthetic-focused cyclists who prefer gear that stays looking new
  • Mechanics preferring universal compatibility over proprietary standards

Performance breakdown

Drivetrain Compatibility

Seamlessly bridges the gap between 11 and 12-speed mountain bike systems.

Excellent

Structural Rigidity

Forged construction delivers reliable power transfer under aggressive trail riding conditions.

Excellent

Installation Simplicity

The DUB spindle interface makes setup straightforward for most home mechanics.

Excellent

Chain Retention

Direct mount ring design keeps the chain secure on technical terrain.

Excellent

Boost Integration

Perfectly optimized geometry for modern 141 and 148mm hub spacing standards.

Excellent

Component Durability

Built to withstand the heavy wear typical of high-mileage trail riding.

Excellent

Key Specs

Crank Length

165 mm

Chainring Teeth

32

Spindle Interface Type

SRAM DUB

Hub Compatibility

141/148 Boost

Drivetrain Speeds Compatibility

11, 12

Chainring Type

Chain Retaining Single

Pedal Spindle Size

9/16"

Color

Lunar

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GX Eagle Boost Crankset

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Sierra Cyclesmith
Sierra Cyclesmith
In stock
$160.00
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