The job
A wrench-driven extractor with 11.3 mm and 16.3 mm rotating feet for the specifically supported crank systems.
Park Tool · Crank puller
Park Tool CWP-7 Compact Crank Puller
A wrench-driven extractor with 11.3 mm and 16.3 mm rotating feet for the specifically supported crank systems.
$17.90Nov 7, 26, 12:52 AM · New York
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- Extractor thread M22 × 1.0
- Small rotating foot 11.3 mm
- Large rotating foot 16.3 mm
Extractor thread
M22 × 1.0
Match the tip as well as the thread
The two feet serve different spindle and crank-bolt configurations. Check the CWP-7 instructions against the actual crank before extraction.
What this choice changes
Two tip sizes in a compact puller
The CWP-7 is useful when the same workshop maintains both square-taper cranks and the named ISIS or Octalink systems. Its two rotating feet provide different contact sizes: 11.3 mm for the small-foot application and 16.3 mm for the large-foot application. Selecting the correct foot is part of matching the puller to the crank, rather than an optional choice of leverage.
Both configurations require M22 × 1.0 extractor threads in the crank arm. Park Tool assigns the small foot to supported M8 × 1.0 crank-bolt systems, including square taper, SRAM PowerSpline and Bosch BNI. The large foot is assigned to supported M12 × 1.0 or M15 × 1.0 systems, with Shimano Octalink, ISIS Drive and ISIS Overdrive named.
Its compact body has no long integrated handle. You supply a 15 mm or suitable adjustable wrench, as well as the tool for removing the crank bolt. Compare it with the CCP-22 if you only maintain its supported small-tip systems and prefer a handled puller ready for the extraction step.
Specifications & supplied details
| Detail | Specification |
|---|---|
| Extractor thread | M22 × 1.0 |
| Small rotating foot | 11.3 mm |
| Large rotating foot | 16.3 mm |
| Driving tool | Separate 15 mm or suitable adjustable wrench |
| Small-foot examples | Square taper, SRAM PowerSpline, Bosch BNI |
| Large-foot examples | Shimano Octalink, ISIS Drive, ISIS Overdrive |
| Supplied | Compact puller with both tip sizes; driving wrench separate |
Choose for your actual setup
Match the tip as well as the thread
The two feet serve different spindle and crank-bolt configurations. Check the CWP-7 instructions against the actual crank before extraction.
Choose compactness or an integrated handle
This format suits a toolbox that already contains a suitable wrench. The CCP-22 supplies a long handle for its narrower stated scope.
Fit checks & limits
- “Universal” does not include every crank: the extractor thread and specified tip application must match.
- No bottom-bracket cup-removal or self-extracting-crank function is established.
Questions before you choose
Are both rotating feet included?
Yes. The CWP-7 description and manual identify the 11.3 mm and 16.3 mm feet. They are parts of one configurable puller.
Which wrench do I need?
A separate 15 mm wrench or suitable adjustable wrench drives the tool. You also need the appropriate crank-bolt removal tool.
Does an M22 thread guarantee compatibility?
No. It establishes the extractor-thread match. The foot and supported spindle/crank-bolt configuration must also be correct.
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: B0028YUZSS.