Name: Titanium Brake Bleed Port Screw for Shimano Hydraulic STI Levers – M7 T20 Oil Port Bolt for ST-R9170 / ST-R8170 / ST-R7170
Brand: SpartsBolts
SKU: 28010501
Price: 8.94 USD
Availability: InStock

Product Description

Upgrade the smallest details on your road bike with premium titanium hardware from S-PARTS Bolts.

This titanium bleed port screw is designed specifically for Shimano hydraulic STI lever systems, delivering ultra-lightweight performance, excellent corrosion resistance, and a clean, premium finish for high-end road bike builds.

Compatible with Shimano hydraulic road lever systems:

Shimano ST-R7170 (105 Di2)
Shimano ST-R8170 (Ultegra Di2)
Shimano ST-R9170 (Dura-Ace Di2)

Also commonly referred to as:
bleed screw / funnel screw / oil port bolt / bleed port screw.

Ideal for lightweight road builds, precision component upgrades, and premium titanium customization.

Specifications

Option 1 (Short)

Size: M7 × 4mm
Head Diameter: 11.5mm
Weight: Approx. 0.91g
Tool: T20 Torx

Option 2 (Long)

Size: M7 × 6.6mm
Head Diameter: 11.5mm
Weight: Approx. 1.17g
Tool: T20 Torx

Material: Ti-6Al-4V Titanium (ASTM Grade 5)
Package Includes: 1 × Screw

Important Installation Notes

Must be installed with original Shimano sealing ring / O-ring
Please verify original screw length before ordering
Shimano hydraulic lever generations may use different bleed port screw lengths

Features

Ultra-Light Titanium Upgrade

Precision CNC machined from Ti-6Al-4V titanium for reduced weight and high structural integrity.

High Strength & Corrosion Resistance

Grade 5 titanium offers tensile strength exceeding 1050MPa, providing durability comparable to high-grade steel hardware at significantly lower weight.