Problem Solvers Chain Spy
Best chain retention solution for aggressive riders preventing dropped chains.
This simple retention device acts as an insurance policy against dropped chains, letting you attack rough terrain with total confidence. It’s a minimalist, set-it-and-forget-it solution that adds a crucial layer of security, though you’ll need to ensure your frame setup is compatible before committing to the mount style.
$34.99
Who it's for
- Aggressive riders needing reliable security on rough, single-ring setups
- Minimalists prioritizing clean aesthetics and low bike weight
- Home mechanics wanting quick, tool-free drivetrain upgrades
Who should skip it
- Riders sensitive to drivetrain noise or friction
- Cyclists riding frequently in muddy or gritty conditions
- Mechanics lacking patience for precise, finicky adjustments
Performance breakdown
Chain retention reliability
Effectively prevents dropped chains during aggressive riding and rough terrain.
Installation simplicity
Straightforward setup, though direct-mount versions require additional adapter purchases.
Compatibility range
Limited to specific clamp sizes or proprietary direct-mount adapter systems.
Build durability
Rugged construction designed to withstand repeated chain strikes and trail debris.
Weight profile
Minimalist design keeps your bike light without sacrificing essential security.
Adjustment precision
Fine-tuning the clearance is intuitive for achieving a quiet, rub-free ride.
Key Specs
Part Type
Chain Retention Device
Mounting Type
Clamp-on (31.8mm with shims for 28.6mm) or Direct Mount
Component Application Area
Drivetrain
Model Number
CH0905
UPC
708752095236
Know before you buy
Still have a question?
Ask Metto anything about the Problem Solvers Chain Spy before you decide.
