The job
A cassette counterhold with a flexible chain section and a one-inch box end.
Park Tool · Cassette counterhold
Park Tool SR-12.2 Chain Whip
A cassette counterhold with a flexible chain section and a one-inch box end.
$39.95Nov 7, 26, 12:51 AM · New York
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- Primary task Cassette restraint through a chain section
- Additional interface 1 in /25.4 mm box end
- Chain construction detail Hardened connecting pins, as described
Primary task
Cassette restraint through a chain section
Choose the holding contact
A chain section, spring-return jaws and adjustable locking jaws are alternative ways of holding a supported cassette. Select the actual cog fit and operating format that suit the job.
What this choice changes
Hold the cassette through chain contact
The SR-12.2 provides the holding side of cassette work through a chain section placed on a supported cog. That contact differs from squeezing the cog with cassette pliers. Compare it with the CP-1.2 if you prefer a spring-return plier format, or the Vise Whip II if its adjustable locking contact is the feature you need.
The opposite end has a one-inch box for a separately compatible remover. It is useful to recognize both ends without treating the same piece of metal as two independent tools: the cassette holding-and-turning task still calls for an appropriate separate lockring driver. A socket shown in the source use photograph is not included in the chain-whip offer.
The selected listing states 7–12-speed cassette use and 3/32 inch single-speed cogs. Park Tool’s current exact-model page also names 13-speed cassette use. Confirm the applicable supplied revision for that additional scope rather than silently extending the listing’s range.
Specifications & supplied details
| Detail | Specification |
|---|---|
| Primary task | Cassette restraint through a chain section |
| Additional interface | 1 in /25.4 mm box end |
| Chain construction detail | Hardened connecting pins, as described |
| Selected listing scope | 7–12-speed cassettes; 3/32 in single-speed cogs |
| Current maker guidance | Also names 13-speed cassette use; confirm supplied revision for that scope |
| Package | One chain whip/box-end tool; remover socket separate |
Choose for your actual setup
Choose the holding contact
A chain section, spring-return jaws and adjustable locking jaws are alternative ways of holding a supported cassette. Select the actual cog fit and operating format that suit the job.
Keep driver and counterhold separate
The one-inch box end does not mean a remover socket is supplied or that the tool supplies two independent handles at once.
Fit checks & limits
- No 1/8 inch fixed-cog scope is transferred from the separate SR-18.2 model.
- The source does not reconcile the exact body-material allocation or overall dimensions, so those values are not selection filters.
Questions before you choose
Why compare it with cassette pliers?
They perform a comparable holding task through different contacts: a flexible chain section here, direct plier engagement on CP-1.2, and adjustable locking jaws on Vise Whip II.
Can I rely on it for a 13-speed cassette?
The current maker page names that scope, while this listing states 7–12. Confirm the supplied SR-12.2 revision and the actual cassette before choosing it for the extra speed range.
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: B07Q89LXQD.