Hope Pro4 Hub Conversion Kit
Best versatile solution for cyclists upgrading to new axle standards.
A simple, effective solution for adapting rear hubs to modern thru-axle standards. It provides the necessary hardware to keep your wheelset compatible with current frame designs without requiring a full hub replacement.
$27.50
at
The Lost Co
More Hope Pro options
Hope Pro 4 Freehub Assembly
$131.70
Hope Pro 4 Axle Conversion Kit
$36.40
Hope Pro 2 Evo Pro 4 Thru-Axle Front End Caps
$34.70
Hope Pro Front End Caps
$34.70
Hope Pro Pawl Set
$24.90
Hope Pro 4 Conversion Kit
$17.49
Hope Pro 2 & Pro 2 Evo Thru Axle Conversion Caps
$29.21
Hope Pro 4 Conversion Spacer
$16.40
Hope Pro 2 & Pro 2 Evo Front Hub Conversion Kit
$26.00
Hope Pro 3 / Pro2 Evo Freehub
$108.38
Hope Pro 2 Evo Conversion Kit
$25.00
Hope Pro 5 Freehub Assembly
$131.70
Hope Pro 3 / Pro 2 Evo Freehub
$131.70
Hope Pro 5 Freehub Assembly
$131.70
Hope Pro 3 / Pro 2 Evo Freehub
$131.70
Hope Pro Pawl and Spring Set
$26.40
Hope Pro 4 Driver Conversion
$124.30
Hope Pro 2 & Pro 2 Evo Front Hub End Caps
$32.29
Hope Conversion End Caps
$18.99
Hope Pro 2 / Pro 3 / Pro EVO Pawl and Spring Set
$26.40
Hope Pro 2 EVO / Pro 4 Rear Hub Axle Conversion Kit
$30.99
Hope Conversion End Caps
$34.70
Hope Pro 2 / Pro 2 Evo / Pro 4 Front End Caps
$34.70
Hope Pawl Spring for Pro5 HD and Trials Hubs
$15.59
Who it's for
- Cyclists upgrading frames who want to keep their current wheels
- Home mechanics looking for a simple and fast maintenance experience
- Mountain bikers needing reliable hardware for demanding off-road trails
Who should skip it
- Owners of legacy Hope hubs requiring older generation spare parts
- Riders who prefer robust mechanical fasteners over friction-fit seals
- Aesthetic-focused builders wanting perfectly color-coordinated bicycle components
Performance breakdown
Installation Simplicity
Swapping end caps requires minimal tools and basic mechanical knowledge.
Machining Precision
Tight tolerances ensure a wobble-free fit within the hub shell.
Material Durability
Hard-anodized aluminum resists wear from repeated axle insertions and removals.
Compatibility Range
Specific to Pro4 SS hubs, limiting use across broader wheelsets.
Structural Integrity
Maintains hub stiffness without introducing play into the drivetrain system.
Upgrade Value
An affordable way to modernize older wheelsets for current frame standards.
Key Specs
Compatibility
Pro 2, Pro 2 EVO, Pro 4, Pro 5, and Pro4 SS hubs
Axle Types
Quick Release, 12mm Thru-Axle
Axle Diameters
9mm, 12mm, 15mm, 20mm
Hub Position
Rear
Part Type
Conversion Kit
Know before you buy
Still have a question?
Ask Metto anything about the Hope Pro4 Hub Conversion Kit before you decide.
