Park Tool DHD-25 2.5mm Precision Hex Driver Preloved aerodynamics are only one part

aerodynamics are only one part of the story

That’s because it’s the left side that absorbs the greatest forces due to the positioning of the disc rotor

we advise to install the chain keeper so that the rear derailleur stays in line

where you need propulsion but also comfort

Alternating center ridge maintains speed while providing sharp edges for traction

Park Tool DHD-25 2.5mm Precision Hex Driver Preloved aerodynamics are only one partThe DHD 25 is a precision component hex driver machined to exact standards to ensure a perfect fit on compatible component fasteners. Featuring an ergonomic CNC machined hard anodized 6061 aluminum handle and a precision 2. 5 mm tip. Specifications 2 mm hex wrench Not intended for high torque applications Total length: 232 mm (9. 1") Shaft length: 145 mm (5. 7") Mfr Claimed Weight 123 g (4. 34 oz.)