Product Description

Upgrade selected Shimano Di2 shifting components with the S-PARTS Grade 5 Titanium Bolt Kit, designed for Shimano R9250, R8150, and R8050 road groupsets.

This complete kit includes titanium replacement hardware for the front derailleur, rear derailleur, crank, chainrings, and Dual Control Lever clamp, covering 12 component types in one coordinated set.

Made from Grade 5 Titanium (Ti-6Al-4V), the complete set weighs approximately 34.3 g, offering a lightweight alternative to conventional steel hardware while maintaining high strength and corrosion resistance.

Key Specifications

Included Components

Front Derailleur Hardware

The front derailleur portion includes:

• Front Derailleur Mounting Bolt × 1
• Front Derailleur Support Washer × 1
• Front Derailleur Support Bolt × 1

Rear Derailleur Hardware

The rear derailleur portion includes:

• Rear Derailleur Main Pivot Bolt × 1
• Rear Derailleur Guide Pulley Bolt × 1
• Rear Derailleur Tension Pulley Bolt × 1
• Rear Derailleur Limit Screws × 2
• Rear Derailleur B-Tension Adjust Screw × 1

Crank & Chainring Hardware

The crank and chainring portion includes:

• Crankarm Pinch Bolts × 2
• Crank Arm Preload Cap × 1
• Chainring Bolts × 4

Shifter Hardware

The shifter portion includes:

• Dual Control Lever Clamp Band Bolt Sets × 2

Grade 5 Titanium Construction

S-PARTS uses Grade 5 Titanium (Ti-6Al-4V) for this hardware kit, providing a high strength-to-weight ratio, low density, and corrosion resistance for lightweight bicycle hardware applications.

At approximately 34.3 g per set, the kit is approximately 45–50% lighter than comparable steel hardware, helping reduce the weight of the selected hardware without changing the original component configuration.

S-PARTS sources titanium through a supply chain associated with Xi'an's civil aerospace-related metal industry, supporting its material sourcing and selection process.

Available Finishes

Available finishes include:

• Gold
• Rainbow
• Black
• Blue
• Green
• Purple
• Candy
• Indigo
• Natural Titanium
• Copper

PVD Finishes: Gold, Rainbow, Black, Blue

Anodized Finishes: Green, Purple, Candy, Indigo

The Candy finish features a flowing, variable color pattern, so the color distribution may vary between individual pieces.

Compatibility

Designed for selected components from the following Shimano Di2 road groupsets:

• Shimano Dura-Ace R9250 Di2
• Shimano Ultegra R8150 Di2
• Shimano Ultegra R8050 Di2

Please match the exact component model and original hardware location before installation.

Installation

Install each titanium component in its corresponding original position.

Follow the manufacturer's recommended installation procedure and torque specifications for the original Shimano component. Use the appropriate tool for each individual fastener and do not exceed the specified torque.

Package Contents

1 × S-PARTS Grade 5 Titanium Bolt Kit

The kit contains the 12 component types and quantities listed in the Included Components table.

Important Note

This product is a replacement hardware set for selected Shimano Di2 components. Compatibility should be checked against the exact Shimano component model and original hardware configuration before ordering.