BySRAM
Eagle 90 Transmission Crankset
The Eagle 90 crankset is a forged aluminum component featuring 8-bolt T-Type chainring compatibility. It offers multiple crank arm lengths with aluminum or steel chainring options.
$170MSRP · USD
Drivetrain · cranksets
SKU FC-90-A1
SKU FC-90-A1Typecranksets
Disciplinemountain
Speeds12
Variants33 sizes or options
Weight825 gManufacturer claimed
01 / About
The Eagle 90 Transmission Crankset.
SRAM's take on drivetrain.
The Eagle 90 crankset is a forged aluminum component featuring 8-bolt T-Type chainring compatibility. It offers multiple crank arm lengths with aluminum or steel chainring options.
02 / Specifications
Eagle 90 Transmission Crankset spec sheet.
Everything SRAM publishes for the Eagle 90 Transmission Crankset.
01Overview
5 fields
Type
cranksets
Discipline
mountain
Brand
SRAMExternal
SKU
FC-90-A1SRAM part number
Product URL
02Drivetrain
7 fields
Speeds
12
Actuation
—
Subcategory
—
Power meter
No
Power meter type
—
Model line
Eagle 90
Generation
A1
03Pricing & availability
3 fields
Price
$170USD · MSRP
Availability
—
Weight
825 gManufacturer claimed
04Additional specs
6 fields
Spindle Type
DUB
Chainline Mm
55
Compatibility
All SRAM MTB WIDE DUB bottom brackets
Shift Type
mechanical
Bcd
Direct Mount (DM)
Drivetrain Configuration
1x
03 / Variants
3 variants available.
Sizes, colors, and configurations published by the brand.
Total variants3Indexed in GearWise
Crank length (mm)155–160 mm2 distinct values
Price$170All variants priced equally
| # | Color | SKU | Price | Availability | Chainring sizes | Crank length (mm) |
|---|---|---|---|---|---|---|
| 01 | Black | 006118717044 | $170 | Out of stock | 34T | 155mm |
| 02 | Black | 006118717043 | $170 | Out of stock | 34T | 160mm |
| 03 | Black | 006118717037 | $170 | Out of stock | 32T | 160mm |
04 / Reviews
From the cycling press.
6 reviews from 5 sources.
01BikeRadarSRAM Eagle 90 Transmission review: the best mechanical drivetrain yet, but Shimano does one thing better | BikeRadarOct 202502theradavist.comSRAM Eagle 90 Transmission Long-Term Luddite Review – John Watson | The Radavist | A group of individuals who share a love of cycling and the outdoors.Sep 202503velomotion.netSram Eagle 90 in first review: Mechanical, affordable, good? - VelomotionMar 202504bikepacking.comSRAM Eagle 90 Transmission Review: Trickle-down Mechanical - BIKEPACKING.comMar 202505singletrackworld.comSRAM Eagle 90 Mechanical Transmission reviewMar 202506theradavist.comFirst Ride Review: SRAM Eagle 90 Mechanical Transmission – Travis Engel | The Radavist | A group of individuals who share a love of cycling and the outdoors.Mar 2025