The job
One hardened-steel tool combining a chain-assembly hook with a separate wear-indicator contact.
Topeak · Chain-wear checker
Topeak TPS-SP09 Chain Hook and Indicator
One hardened-steel tool combining a chain-assembly hook with a separate wear-indicator contact.
$27.38Nov 7, 26, 12:52 AM · New York
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- Combined roles Chain-assembly hook and wear-indicator contact
- Construction Hardened steel
- Maker dimensions 10.9 × 2.2 × 1.8 cm
Combined roles
Chain-assembly hook and wear-indicator contact
Decide whether the hook adds a needed role
If you only need fixed condition marks, compare CC-3.2 or CC-4.2 within their own chain fit. If managing the chain ends matters, this tool explicitly adds that contact.
What this choice changes
Hold the chain for assembly as well as checking its indication
The TPS-SP09 adds an assembly-holding role to a chain indicator. Its integrated hook holds chain links while you arrange the connection, while another part provides the indicator contact. That combination is useful when you need to manage the chain ends as well as inspect condition; it is not a rivet driver or master-link plier.
The maker lists hardened steel, dimensions of 10.9 × 2.2 × 1.8 cm and a 9.6 g mass. Its hook remains part of the same body, so it combines two chain-specific roles in one compact piece. The joining consumables and joining tool remain separate purchases.
The official indicator drawing uses a 0.8 mm reference for the described full-engagement condition. The unit matters: this is not a 0.8% rule, and it should not be applied as a universal replacement threshold for every chain. Confirm the actual chain’s fit and service guidance; the exact page does not provide a comprehensive special-roller compatibility list.
Specifications & supplied details
| Detail | Specification |
|---|---|
| Combined roles | Chain-assembly hook and wear-indicator contact |
| Construction | Hardened steel |
| Maker dimensions | 10.9 × 2.2 × 1.8 cm |
| Listed mass | 9.6 g |
| Indicator-guide unit | Millimeters; do not substitute a percentage |
| Package | One combined tool; chain and joining tools separate |
Choose for your actual setup
Decide whether the hook adds a needed role
If you only need fixed condition marks, compare CC-3.2 or CC-4.2 within their own chain fit. If managing the chain ends matters, this tool explicitly adds that contact.
Keep the joining method separate
Holding the chain is not the same as driving a rivet or opening a compatible link. Select the actual joining tool and consumable independently.
Fit checks & limits
- No universal chain-speed or special-roller compatibility is established by the exact page.
- The maker’s 0.8 mm guide is not a 0.8% threshold or a calibration claim.
Questions before you choose
Does it replace master-link pliers?
No. It supplies a holding hook and an indicator contact. A supported connector still needs its applicable joining method and tool.
Is Flattop or T-Type compatibility confirmed?
The exact page and guide read do not establish those special-chain fits. Confirm the application before choosing; CC-4.2 is the separate gauge whose current maker guidance expressly names those systems.
Can I use 0.8% as the replacement point?
Do not change the manual’s millimeter reference into a percentage. Follow the exact tool method and the chain maker’s own replacement guidance.
Guides for this choice
Alternatives to compare
Other equipment to consider
Selected listing details, manufacturer information and source images were compared. No hands-on trial or universal fit is claimed. Product identifier: B00ATP3FZ8.