The Park Tool ST-3 is a Y socket wrench that combines the three most common nut and bolt sizes on a bicycle in a single tool: 8, 9 and 10 mm. It is the Y socket wrench to keep on the bench for brakes, racks, accessories and all the small everyday adjustments.
The shape is the classic Park Tool "Y": all three sockets are always ready and switching from one size to another is just a matter of turning the wrench, with no need to hunt for the right socket in the toolbox. The sockets are made of forged chrome vanadium steel, a material suited to daily use in the workshop as well as for home maintenance.
Where to use the Park Tool ST-3 Y-wrench
- Brakes: fastening and adjusting components with 8, 9 or 10 mm nuts or bolts.
- Racks: fitting and tightening the mounts.
- Accessories fastened with bolts or nuts of these sizes.
- Quick jobs at the bench, when you need a wrench that is ready straight away.
Why choose the Park Tool ST-3
- Three 8, 9 and 10 mm sockets in one compact tool.
- Classic Park Tool Y shape, comfortable to hold.
- Sockets in forged chrome vanadium steel.
- Suitable for both the professional workshop and home maintenance.
For anyone looking for a simple, reliable tool for the most common sizes on a bike, the Park Tool ST-3 Y socket wrench is a practical choice that proves useful on every job.
TECHNICAL SPECIFICATIONS
General
- Code: ST-3
- Type: Y socket wrench (3-way)
Dimensions
- Socket sizes: 8 mm, 9 mm, 10 mm
Materials
- Sockets: forged chrome vanadium steel
The Park Tool ST-3 is a Y socket wrench that combines the three most common nut and bolt sizes on a bicycle in a single tool: 8, 9 and 10 mm. It is the Y socket wrench to keep on the bench for brakes, racks, accessories and all the small everyday adjustments.
The shape is the classic Park Tool "Y": all three sockets are always ready and switching from one size to another is just a matter of turning the wrench, with no need to hunt for the right socket in the toolbox. The sockets are made of forged chrome vanadium steel, a material suited to daily use in the workshop as well as for home maintenance.
Where to use the Park Tool ST-3 Y-wrench
- Brakes: fastening and adjusting components with 8, 9 or 10 mm nuts or bolts.
- Racks: fitting and tightening the mounts.
- Accessories fastened with bolts or nuts of these sizes.
- Quick jobs at the bench, when you need a wrench that is ready straight away.
Why choose the Park Tool ST-3
- Three 8, 9 and 10 mm sockets in one compact tool.
- Classic Park Tool Y shape, comfortable to hold.
- Sockets in forged chrome vanadium steel.
- Suitable for both the professional workshop and home maintenance.
For anyone looking for a simple, reliable tool for the most common sizes on a bike, the Park Tool ST-3 Y socket wrench is a practical choice that proves useful on every job.
TECHNICAL SPECIFICATIONS
General
- Code: ST-3
- Type: Y socket wrench (3-way)
Dimensions
- Socket sizes: 8 mm, 9 mm, 10 mm
Materials
- Sockets: forged chrome vanadium steel
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