The job
A small chain-rivet tool with a tight-link loosening shelf and replaceable CTP pin.
Park Tool · Chain-rivet tool
Park Tool CT-5 Compact Chain Tool
A small chain-rivet tool with a tight-link loosening shelf and replaceable CTP pin.
$31.80Nov 7, 26, 12:50 AM · New York
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- Working action Compact chain-rivet driving
- Additional contact Shelf for loosening tight links
- General derailleur scope Maker lists supported 5–12-speed systems
Working action
Compact chain-rivet driving
Check the chain type first
A single-speed chain’s width and construction matter. A broad 1/8 inch label should not override the maker’s many-not-all limitation.
What this choice changes
A compact rivet tool with clear single-speed limits
The CT-5 is a compact rivet tool rather than a folding collection of unrelated bicycle tools. Its separate tight-link loosening shelf gives it a second chain-specific working position. Compare it when a small dedicated tool is useful and the chain falls within the exact documented fit, rather than assuming a smaller tool covers every job of a workshop model.
Park Tool lists 5–12-speed derailleur chains and 3/32 inch single-speed chains, plus many, but not all, 1/8 inch chains. It excludes 3/16 inch and half-link single-speed chains. Those limits are the practical reason to compare the CT-3.3 or CT-15 before buying for a mixed collection of bicycles.
The CTP driving pin is replaceable. The package is one compact tool; generic fields mentioning two pieces or a chain rivet do not establish a second tool, spare pin or joining rivet. A demonstration chain in the source photograph shows the working contact and is not included.
Specifications & supplied details
| Detail | Specification |
|---|---|
| Working action | Compact chain-rivet driving |
| Additional contact | Shelf for loosening tight links |
| General derailleur scope | Maker lists supported 5–12-speed systems |
| Single-speed scope | 3/32 in; many, not all, 1/8 in chains |
| Explicit exclusions | 3/16 in and half-link single-speed chains |
| Service part | Replaceable CTP pin; spare inclusion not established |
Choose for your actual setup
Check the chain type first
A single-speed chain’s width and construction matter. A broad 1/8 inch label should not override the maker’s many-not-all limitation.
Choose the working format
For regular bench work across broader single-speed types, compare the floating-shelf CT-3.3. For the specified peening work, compare the CT-15.
Fit checks & limits
- It does not provide the CT-15 peening-anvil operation.
- Published size and mass fields disagree; exact carry weight and dimensions are omitted rather than assigned to an assumed package.
Questions before you choose
Will it cover every 1/8 inch single-speed chain?
No. Park Tool says many, not all, and separately excludes half-link and 3/16 inch single-speed chains. Identify the actual chain before choosing.
When should I choose a workshop tool instead?
When the wider stated single-speed scope, an adjustable bench locating shelf or a specified peening operation matters more than the compact layout.
What is the additional shelf for?
Park Tool identifies it as a shelf for loosening tight links. It is not the removable peening anvil used by CT-15; follow the actual chain’s joining requirements when deciding which operation is needed.
Guides for this choice
Alternatives to compare
Selected listing details, manufacturer information and source images were compared. No hands-on trial or universal fit is claimed. Product identifier: B000OYHCHG.