The job
A fixed go/no-go gauge with 0.5% and 0.75% indications for its supported chains.
Park Tool · Chain-wear checker

A fixed go/no-go gauge with 0.5% and 0.75% indications for its supported chains.
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A fixed go/no-go gauge with 0.5% and 0.75% indications for its supported chains.
Fixed two-sided go/no-go gauge
The indication levels are useful only within the supported chain fit. The common speed label does not erase special-system restrictions.
What this choice changes
The CC-3.2 gives two fixed indication choices on a flat tool, with permanent 0.5% and 0.75% markings. It is a straightforward alternative to the moving window of the CC-2 when the fixed-indication format fits the chain and the way you want to check it.
The current maker guidance covers most 5–12-speed chains, with Flattop and T-Type 12-speed users directed to CC-4.2. That distinction matters even when two chains share the same speed label. The CC-4.2 also has a different three-contact layout and an additional 1.0% mark; neither fact should be silently transferred to this model.
The selected package is one gauge. It is not a master-link plier, rivet driver or documented assembly-hook tool. If holding the chain during joining is another requirement, compare the separate combined hook-and-indicator format from Topeak rather than expecting an unlisted function here.
| Detail | Specification |
|---|---|
| Format | Fixed two-sided go/no-go gauge |
| Contact pattern | Two ends across the selected chain span |
| Marked indications | 0.5% and 0.75% |
| Current maker scope | Most 5–12-speed chains |
| Named limitation | Flattop/T-Type 12-speed directed to CC-4.2 |
| Package | One gauge |
The indication levels are useful only within the supported chain fit. The common speed label does not erase special-system restrictions.
For a chain-assembly hook, compare Topeak TPS-SP09. For a different mechanical or electronic readout, compare the exact alternative tool’s guidance.
When its expressly named Flattop/T-Type scope, three-contact construction or extra 1.0% indication matters for the actual chain.
That function is not established for CC-3.2. Topeak TPS-SP09 explicitly combines a holding hook with its own indicator contact; it still does not replace a joining tool.
Selected listing details, manufacturer information and source images were compared. No hands-on trial or universal fit is claimed. Product identifier: B000BR3LHQ.