The job
A wall or post fixture for the version-one 25–41 mm tube contact; mounting hardware is separate.
Park Tool · Bicycle repair support

A wall or post fixture for the version-one 25–41 mm tube contact; mounting hardware is separate.
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A wall or post fixture for the version-one 25–41 mm tube contact; mounting hardware is separate.
25–41 mm tube diameter
Use the selected 100-3C range, not a family comparison for the 100-3D head.
What this choice changes
The PRS-4W-1 brings a bicycle clamp to a fixed workshop location rather than supplying a floor stand. Its 100-3C adjustable-linkage clamp uses a single lever, with cable reliefs and replaceable covers. Choose it when a suitable structural mounting point is available and the bicycle’s permitted clamping location matches the 25–41 mm tube range.
Version identification matters here. The selected model is PRS-4W-1 with the 100-3C clamp, not PRS-4W-2 with the 100-3D head. The latter’s mechanism and wider quoted range should not be used to decide whether this offer fits your bicycle. The cast-aluminum clamp and powder-coated steel bracket provide different component roles within the assembly.
Park Tool’s stated 100 lb / 45 kg maximum depends on suitable fasteners and a solid load-bearing mounting surface. Mounting hardware is not included, and the wooden post in the photograph is installation context. Compare the PCS-12.2 when a suitable bench is easier to provide than a wall or post; neither fixture rates the strength of an existing surface.
| Detail | Specification |
|---|---|
| Selected version | PRS-4W-1 with 100-3C clamp |
| Clamp contact | 25–41 mm tube diameter |
| Clamp operation | Adjustable linkage; single lever |
| Construction | Cast-aluminum clamp; powder-coated steel bracket |
| Stated maximum load | 100 lb / 45 kg, conditional on mounting |
| Mounting hardware | Separate; suitable structural surface required |
Use the selected 100-3C range, not a family comparison for the 100-3D head.
Choose the mounting surface and fasteners for the complete installation, with room to access and rotate the bicycle.
No. The selected model and description identify PRS-4W-1 / 100-3C. Do not choose it from version-two clamp specifications.
No. It depends on a solid load-bearing support and suitable fasteners. The stand rating does not establish the strength of the wall or post.
It uses a suitable workbench for structural support and a cam-operated clamp. Choose the installation and permitted contact arrangement that fits your workspace.
Selected listing details, manufacturer information and source images were compared. No hands-on trial or universal fit is claimed. Product identifier: B00344Q7ZG.