Pro S2 6 piece 50mm 1/4" Hex Bits Set

• 50mm Extended Length – Reaches recessed brake caliper and derailleur bolts
• Hardened S2 Steel Construction – Stronger and more wear-resistant than CRV steel
• Nickel-Plated Finish – Prevents corrosion and protects alloy, titanium and stainless bolts
• Micro-Surfaced Hex Tips – Reduced slippage for secure engagement
• JIS / ANSI Compatible – Correct fit for modern bicycle cross-head fasteners
• Rounded Shaft Profile – Fits deep and tight access areas
• Patented Bits Carrier Included – Secure storage and easy organisation
• Industry-Standard 1/4″ Hex – Compatible with all Prestacycle tools and other 1/4″ drivers

Sizes Included:

• HEX: 4 mm, 5 mm, 6 mm
  
• TORX®: T15, T20, T25
  

Quantity: 6 bits

Carrier: Patented Prestacycle bits holder included

Q: What are the benefits of 50mm extended-length bits?

A: The extended 50mm length provides easier access to recessed and hard-to-reach bolts, including rear derailleur mounting bolts and brake caliper bolts on carbon forks, where standard-length bits may struggle.

Q: Will these bits fit my existing ratchet or screwdriver?

A: Yes. These bits use an industry-standard 1/4" hex connection, making them compatible with all Prestacycle hex-bit tools and most other ratchets, screwdrivers, and bit holders that accept 1/4" hex bits.

Q: What makes S2 steel better than standard tool bits?

A: Hardened S2 tool steel offers excellent strength and resistance to wear and deformation. This helps the bits maintain their shape over time, reducing the risk of slipping or damaging bolt heads.

Q: Are these bits safe to use on titanium and aluminum bolts?

A: Yes. The nickel-plated finish is designed to help reduce marring on aluminum, titanium, and stainless steel fasteners. Always use the correct bit size and follow the component manufacturer's recommended torque settings.

Q: Can I use these bits with a torque wrench?

A: Yes. The standard 1/4" hex connection makes them compatible with torque tools that accept this fitting, including compatible Prestacycle torque tools. The extended length is particularly useful for accessing recessed bolts that require accurate tightening.

What's Included

• 6 × Professional 50mm extended-length S2 steel tool bits: Hex: 4mm, 5mm, 6mm Torx: T15, T20, T25
• 1 × Prestacycle patented bit carrier

All six bits feature an industry-standard 1/4" hex connection for use with compatible ratchets, torque tools, and bit holders.

5-Year Limited Warranty

Prestacycle warrants its hand tools against defects in materials and workmanship for five years from the date of purchase, under normal and intended use.

This warranty covers manufacturing defects and is limited to the repair or replacement of defective products at Prestacycle's discretion.

Normal wear and tear, including wear to tool bits and working ends, is excluded. Damage caused by misuse, improper maintenance, excessive force, modification, or failure to follow recommended procedures is not covered.

For warranty assistance, please contact Prestacycle with proof of purchase before returning any product.