Surly Monkey Nuts
Best wheel alignment tool for riders with horizontal dropouts.
These spacers are the go-to solution for fine-tuning wheel position on frames with horizontal dropouts. They provide the necessary clearance for modern front derailleurs and ensure your drivetrain setup is dialed in perfectly.
$20.73
at
Tree Fort Bikes
More Monkey Nuts options
Who it's for
- Cyclists seeking a faster and more accurate wheel installation process
- Bikepackers and trail riders customizing their drivetrain and hub configurations
- Riders using geared drivetrains on Surly frames with horizontal dropouts
Who should skip it
- Owners of non-Surly bicycles looking for universal dropout solutions
- Shoppers who prefer straightforward, one-size-fits-all hardware components
- Mechanics and riders who frequently perform trailside wheel removals
Performance breakdown
Dropout Compatibility
Perfectly engineered for horizontal slotted dropouts found on Surly frames.
Drivetrain Clearance
Provides essential space for modern front derailleurs to shift cleanly.
Axle Versatility
Handles thru-axles natively, with easy adaptation for quick-release setups.
Installation Simplicity
A straightforward mechanical fix that requires minimal tools to install.
Build Durability
Rugged construction designed to withstand high torque and trail vibrations.
Tire Positioning
The 12.5mm offset creates critical clearance for larger, knobby tires.
Key Specs
Part Type
Dropout Spacers
Compatibility
Frames with horizontal slotted dropouts
Axle Compatibility
12mm thru-axle, QR, 10mm bolt-on (requires adapter washers)
Adjustment
Pulls wheel back 12.5mm
Quantity per pack
1
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Ask Metto anything about the Surly Monkey Nuts before you decide.