SRAM S100 Eagle Crank Arm Assembly - 170mm Aluminum 3-Bolt Chainring Mount Type For Powerspine Bottom Bracket B1

We’re a mission-driven bike shop based in Colorado. Every sale helps refurbish and donate bikes to those in need through Bicycles for Humanity Colorado.

Each item has been professionally inspected, thoroughly cleaned, carefully refurbished, and is ready for immediate use.

SRAM S100 Eagle Crank Arm Assembly - 170mm Aluminum 3-Bolt Chainring Mount Type For Powerspine Bottom Bracket B1

Powerful, dependable, and trail-ready, this SRAM S100 Eagle Crank Arm Assembly delivers solid pedaling when the terrain gets rough. The forged aluminum crank arms provide stiffness and durability for aggressive climbs and fast descents, while the 3‑bolt interface accepts SRAM Eagle X-Sync 2 chainrings for precise shifts. Built to pair with Powerspline bottom brackets and Boost-ready setups, this crank keeps your mountain bike responsive on demanding trails.

Who is this for?

Riders upgrading a mid-range mountain bike to a robust, 1x Eagle drivetrain, bike builders assembling a durable, easily serviced crank, and anyone who values a refurbished part that delivers dependable power on rugged terrain.

Each item is professionally packed and shipped next day. Select in-store pick-up at checkout and visit us if you are local!