Titanium Upgrade Screw for Shimano R8170 Ultegra Brake Caliper | Lightweight Screws

Ti-Parts

Titanium Upgrade Bolt for Shimano Ultegra R8170 (12speed) Brake Caliper

2 Bolts per caliper, front and rear brake need 4pcs

Bolt size: 

M6x25 proprietary 4.16/pc (stock 7.28g)

M6x22 proprietary  3.11g/pc (stock 5.55g)

Bleed Cap Screw available here

Brake Pad Pin available here

Caliper Mount Screw available here

Caliper Fixing Screw available here

*To replace these bolt, make sure O-Ring has move to new bolt (If any),

else may cause oil leak.

If not confident, please look for professional bike shop for assistant.

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• Excellent Corrosion and Oxidation Resistance
  Engineered to withstand harsh environments, offering superior resistance against rust and corrosion.

• Up to 50% Lighter Than Standard Steel Bolts
  Significantly reduces overall system weight without compromising strength, ideal for high-performance applications.

• High Strength-to-Weight Ratio
  Manufactured from aerospace-grade materials, combining exceptional hardness and durability with lightweight characteristics.

• Enhanced Surface Finish via PVD Coating
  Applied with advanced Physical Vapor Deposition (PVD) technology, delivering a smoother, brighter, and more durable finish compared to conventional electroplating.

• Precision Polished Finish
  Mirror-like polish enhances aesthetics while minimizing surface friction and debris accumulation.

• Constructed from Grade 5 Titanium (Ti-6Al-4V)
  Offers outstanding tensile strength, fatigue resistance, and reliability — the industry benchmark for high-performance fasteners.