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 – 175mm Aluminum 3-Bolt Chainring Mount Type For Powerspine Bottom Bracket B1
When your ride demands dependable power on every climb and trail, this aluminum SRAM S100 Eagle crank arms deliver a solid, transfer-efficient platform you can trust. The 3‑bolt interface keeps chainring changes straightforward and secure, while the PowerSpline compatibility ensures a robust bottom-bracket connection for aggressive mountain riding.
Who is this for?
Ideal for serious mountain riders upgrading a trusted SRAM Eagle drivetrain, riders building a reliable 1x setup, or anyone who wants a lightweight, durable crank with straightforward maintenance.
| specifications | details |
|---|---|
| Crank arm length | 175 mm |
| Crankset material | Aluminum |
| Interface | 3-bolt interface for SRAM Eagle X-Sync 2 chainrings (chainrings sold separately) |
| Bottom bracket compatibility | 118/73 Powerspline Bottom Brackets (sold separately) |
| Number of chainrings | No Rings Included |
| Chainring BCD | Direct Mount SRAM 3-Bolt |
| Chainline/Hub compatibility | 141/148 Boost Hubs |
| Color | Black |
| Crank intended use | Mountain |
| BB included | No |
| Pedal spindle | 9/16″ |
| Spindle interface type | TruVativ Power Spline |
| Defined color | Black |
Each item is professionally packed and shipped next day. Select in-store pick-up at checkout and visit us if you are local!
| Number of Chainrings | No Rings Included |
| Chainring BCD | Direct Mount SRAM 3-Bolt |
| Chainline/Hub Compatibility | 141/148 Boost Hubs |
| Color | Black |
| Crank Length (mm) | 175 |
| Crank Intended Use | Mountain |
| BB Included | No |
| Pedal Spindle | 9/16″ |
| Spindle Interface Type | TruVativ Power Spline |
| Defined Color | Black |
