T-Rex Expander Sprocket
Best drivetrain upgrade for riders seeking a wider climbing range.
An efficient way to gain climbing range without replacing an entire drivetrain. By swapping out a single sprocket, you unlock a wider gear ratio that makes steep ascents significantly more manageable. It is a smart, cost-effective upgrade for riders looking to improve their climbing capability while maintaining their current shifting setup.
$79.95
at
Cambria Bike
Who it's for
- Mountain bikers converting to a simple one-by drivetrain setup
- Riders seeking long-lasting components that withstand heavy trail abuse
- Budget-conscious cyclists looking for better climbing performance
Who should skip it
- Performance riders who prioritize perfectly seamless gear transitions
- Cyclists using incompatible drivetrain brands or newer eleven-speed systems
- Home mechanics uncomfortable with complex derailleur tuning and adjustments
Performance breakdown
Climbing efficiency
Significantly lowers gear ratios for tackling steep, technical trail ascents.
Shift precision
Engineered tooth profiles maintain crisp, reliable gear changes under load.
Material durability
CNC-machined 7075-T6 aluminium offers excellent strength-to-weight ratio for rugged terrain.
Installation complexity
Requires drivetrain disassembly and careful setup for optimal shifting performance.
Structural rigidity
Supporting tabs minimize flex during high-torque pedaling efforts.
System compatibility
Limited to specific 10-speed setups, requiring careful verification before purchase.
Key Specs
Material
7075-T6 aluminium
Number of Speeds
10
Intended Use
Mountain Biking
Series
T-Rex
Drivetrain Component Type
Expander Sprocket
Manufacturing Country
England
Know before you buy
Still have a question?
Ask Metto anything about the T-Rex Expander Sprocket before you decide.
