Park Tool AWS-8 Y Hex Ball Wrench 4, 5, 6mm

Park Tool AWS-8 Y Hex Ball Wrench 4, 5, 6mm Park Tool

Park Tool AWS-8 Y Hex Ball Wrench 4, 5, 6mm

Park Tool AWS-8 Y Hex Ball Wrench 4, 5, 6mm

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What does the Park Tool AWS-8 Y Ball Hex Wrench include?

The Park Tool AWS-8 Y Hex Ball Wrench is a three-arm Y-style tool with 4mm, 5mm, and 6mm ball-end hex keys: the sizes that cover the vast majority of medium-to-large bicycle fasteners, from stem bolts and bottle cage screws to saddle rail clamps, brake mount hardware, and derailleur B-tension screws. The ball-end tips allow up to 30 degrees of angular engagement, letting you drive fasteners that would be awkward or impossible to reach with a straight hex key at a perpendicular angle.

The Y-handle geometry delivers a comfortable palm grip and faster size switching compared to individual L-wrenches, and the chrome vanadium steel construction ensures the hex tips hold their shape under the torque loads these common fastener sizes regularly require. The AWS-8 is the Y-wrench you'll reach for most on road, gravel, and mountain bikes.

$18.95
$18.95
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  • Estimated delivery: Jul 09 - Jul 13

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Specifications

  • Sizes: 4mm, 5mm, 6mm hex
  • Tips: Ball-end for up to 30 degrees of angular engagement
  • Material: Chrome vanadium steel
  • Design: Y-style three-arm handle

FAQ

What is the benefit of ball-end hex keys for bike work?

Ball ends allow you to engage fasteners at an angle of up to 30 degrees, which is helpful for bolts that are partially obstructed by frame tubes, cable routing, or other components.

Can I use the ball end to final-torque fasteners?

No. Ball-end tips should only be used at angle for initial driving. For final tightening, use the flat end of the hex key to ensure full engagement and avoid rounding the fastener.

What fasteners do the 4mm, 5mm, and 6mm sizes cover?

4mm covers stem clamp bolts, brake lever clamps, and many accessory mounts. 5mm handles saddle rail clamps, stem face plates, and bottle cage bolts. 6mm is used on crank arm bolts, some stem bolts, and disc rotor mounting hardware.

Best For

Mechanics and cyclists who need 4mm, 5mm, and 6mm ball-end hex access in a fast-switching Y-handle design for stem, saddle, brake, and drivetrain hardware on road, gravel, and mountain bikes.

Park Tool AWS-8 Y Hex Ball Wrench 4, 5, 6mm Reviews:

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