S-390 Crankset

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Description

SRAM’s S-390 crankset offers 11-speed shifting with Yaw™ compatibility. Designed with an integrated 4-arm, asymmetric spider to maximize stiffness to weight, the S-390 crankset also allows greater frame and tire clearance than other road cranks.

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Model ID

FC-S390-A1

Features

Integrated 4-arm, asymmetric spider maximizes stiffness to weight
Greater frame and tire clearance than other road cranks
Yaw™ compatible for faster and more precise shifting, while eliminating the need for shifter trim

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Technology

Yaw

With a front derailleur cage that rotates to maintain a consistent angular relationship with the chain, Yaw technology eliminates the need for shifter trim. As a result, shifts feel more direct and precise, delivering an unmatched performance advantage in front shifting.

Specifications

Speeds	11
BB Compatibility	BB30/PF30-68mm, GXP/PF GXP 68mm
Chainring Size	46/34T, 50/34T
Crank arm length	165mm, 170mm, 172.5mm, 175mm
Chainline	47.0mm
BB Spindle Interface	24mm, 30mm
Chainring material	Aluminum/Steel
Bolt Circle Diameter (BCD)	4-Bolt 110 BCD