Problem Solvers Cog & Carrier
Top Pick
Problem Solvers

Problem Solvers Cog & Carrier

4.6

Best modular drivetrain solution for dedicated single speed mountain bikers.

This setup makes converting a standard freehub to a single-speed drivetrain straightforward and reliable. By using a wide-profile carrier, it protects the freehub body from damage while providing a durable, long-lasting interface for the cog.

$24.99

Out of stock

Who it's for

  • Riders using high-end aluminum freehub bodies prone to notch damage.
  • Cyclists who frequently experiment with different gear ratios for varied terrain.
  • Mechanics seeking a quiet and efficient single-speed drivetrain setup.

Who should skip it

  • Budget-conscious builders looking for the most inexpensive conversion option.
  • Weight-weenies prioritizing the lightest possible build for their bike.
  • Riders who prefer using standard, widely available replacement parts.

Performance breakdown

Freehub Protection

Wide-profile carrier effectively prevents cog bite on aluminum freehub bodies.

Excellent

Installation Simplicity

Straightforward design makes converting standard wheels to single-speed a breeze.

Excellent

Durability

Chromoly steel construction ensures long-term resistance to drivetrain wear.

Excellent

Weight Efficiency

Alloy carrier keeps the rotating mass low without sacrificing structural integrity.

Excellent

Compatibility

Standard Shimano/SRAM interface ensures a fit for almost any wheelset.

Excellent

Maintenance Ease

Minimalist design allows for quick removal and hassle-free cleaning.

Excellent

Key Specs

Type

Single Speed Cog

Speeds

Single Speed (3/32 inch)

Drive Type

Shimano/SRAM

Color

Black/Silver

Material

Alloy carrier, Chromoly cog

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Problem Solvers Cog & Carrier

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