RaceFace SRX
Best durable component for demanding trail and mountain bike riders.
A reliable, performance-oriented bottom bracket that balances durability with precise adjustability. Its robust construction and effective sealing make it a dependable choice for riders looking to maintain drivetrain integrity without unnecessary complexity.
$54.99
More SRX options
Who it's for
- Mountain bikers seeking robust, dependable components for demanding trails.
- Riders prioritizing efficiency and precise handling on challenging routes.
- Cyclists who value both performance and sophisticated component design.
Who should skip it
- Budget-conscious riders or those building an entry-level bike.
- Owners of older bikes or those with non-standard component setups.
- Casual riders preferring low-maintenance, universally serviceable parts.
Performance breakdown
Structural Integrity
6061-T6 aluminum cups provide a rigid, confidence-inspiring interface for your crankset.
Contamination Resistance
High-pressure seals effectively block grit and moisture from compromising internal bearings.
Drivetrain Tuning
Adjustable chainline capability offers precise alignment for smoother, more efficient shifting.
Installation Complexity
Requires a specific ISIS tool, making home installation slightly more involved.
Compatibility Range
Fits standard 68mm and 73mm shells, though limited to ISIS-specific cranksets.
Component Longevity
Robust construction and sealed design ensure reliable performance over many riding seasons.
Key Specs
Material
6061-T6 aluminum cups
Spindle Type
ISIS
Sealing Type
High-pressure axle seals
Shell Width
68mm / 73mm
Spindle Length
113mm
Tool Interface
ISIS installation tool
Adjustable Chainline
Yes
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