The Park Tool HT-10 is a 10 mm hex wrench designed for crank bolts, including Campagnolo Ultra-Torque systems. At 356 mm long, the Park Tool HT-10 10mm Allen key provides the leverage needed to free and tighten high-torque bolts without resorting to improvised extensions.
Its shape follows that of a screwdriver: a large ergonomic grip, comfortable to hold with a full hand, from which a long 10 mm hex extends. At the opposite end, on the handle, there is a second ball-end hex, useful for reaching the bolt at an angle or spinning it in quickly before final tightening. This layout combines speed, leverage and comfort: you spin it fast when the bolt is free and push firmly when force is needed.
How to use the Park Tool HT-10 Allen key
- Removing and installing crank bolts with a 10 mm hex
- Working on the bolt of Campagnolo Ultra-Torque cranksets
- Quick threading with the ball end, then tightening with the long straight arm
- Removing self-extracting cranks, where steady, controlled force is needed
Why choose the Park Tool HT-10
- 356 mm length for more leverage than traditional L-shaped keys
- Ergonomic screwdriver-style grip
- Two tips: long straight hex and ball end on the handle
- Dedicated tool for the toughest crank bolts
- Ideal alongside an L-shaped key set on the bench, for jobs that need more force
Anyone who regularly fits and removes cranksets will find the Park Tool HT-10 10mm Allen key a sturdy, no-nonsense ally.
TECHNICAL SPECIFICATIONS
General
- Code: HT-10
- Hex size: 10 mm
- Ends: long straight hex and ball end on the handle
- Grip: ergonomic screwdriver style
Dimensions
- Length: 356 mm
Compatibility
- Use: crank bolts with 10 mm hex, including Campagnolo Ultra-Torque
The Park Tool HT-10 is a 10 mm hex wrench designed for crank bolts, including Campagnolo Ultra-Torque systems. At 356 mm long, the Park Tool HT-10 10mm Allen key provides the leverage needed to free and tighten high-torque bolts without resorting to improvised extensions.
Its shape follows that of a screwdriver: a large ergonomic grip, comfortable to hold with a full hand, from which a long 10 mm hex extends. At the opposite end, on the handle, there is a second ball-end hex, useful for reaching the bolt at an angle or spinning it in quickly before final tightening. This layout combines speed, leverage and comfort: you spin it fast when the bolt is free and push firmly when force is needed.
How to use the Park Tool HT-10 Allen key
- Removing and installing crank bolts with a 10 mm hex
- Working on the bolt of Campagnolo Ultra-Torque cranksets
- Quick threading with the ball end, then tightening with the long straight arm
- Removing self-extracting cranks, where steady, controlled force is needed
Why choose the Park Tool HT-10
- 356 mm length for more leverage than traditional L-shaped keys
- Ergonomic screwdriver-style grip
- Two tips: long straight hex and ball end on the handle
- Dedicated tool for the toughest crank bolts
- Ideal alongside an L-shaped key set on the bench, for jobs that need more force
Anyone who regularly fits and removes cranksets will find the Park Tool HT-10 10mm Allen key a sturdy, no-nonsense ally.
TECHNICAL SPECIFICATIONS
General
- Code: HT-10
- Hex size: 10 mm
- Ends: long straight hex and ball end on the handle
- Grip: ergonomic screwdriver style
Dimensions
- Length: 356 mm
Compatibility
- Use: crank bolts with 10 mm hex, including Campagnolo Ultra-Torque
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