Shimano Road Titanium Bolt Kit – S-PARTS Drivetrain Screws for R8050 / R8150 / R9250

Upgrade your Shimano road groupset with the S-PARTS Titanium Drivetrain Bolt Kit, precision-engineered for R8050, R8150, and R9250 series.

This complete titanium hardware set replaces the original steel bolts used on the front derailleur, rear derailleur, crankset, and chainrings, delivering significant weight reduction while maintaining structural integrity and precise fitment.

Manufactured from high-grade titanium and finished to S-PARTS standards, each bolt is designed for riders who demand lighter weight, clean aesthetics, and reliable performance in high-end road builds.

Key Features

• Compatible with Shimano Road groupsets: R8050 / R8150 / R9250

• Complete drivetrain bolt replacement (front derailleur, rear derailleur, crankset, chainrings)

• Titanium construction for reduced weight and corrosion resistance

• Precision machining for accurate torque and long-term durability

• Ideal for weight-weenie, race, and premium custom builds

Package Contents (R8150 / R9250)
* Package contents may vary slightly by batch. Actual product received shall prevail.

① Front Derailleur Fixing Bolt ×1
② Front Derailleur Fixing Plate ×1
③ Front Derailleur Adjustment Screw ×1
④ Rear Derailleur Fixing Axle ×1
⑤ Rear Derailleur Pulley Bolts ×2
⑥ Rear Derailleur Adjustment Screws ×2
⑦ Rear Derailleur Tension Screw ×1
⑧ Crank Arm Locking Bolts ×2
⑨ Crank Arm Cap ×1
⑩ Chainring Bolts ×4

Total Weight: approx. 29.1 g / set (Gold version)

Compatibility Check: Due to the complexity of original equipment manufacturer (OEM) parts' models and batches, there may be instances where this product is incompatible.

Upon receiving this product, please compare it with the OEM specifications to ensure compatibility before installation.

Torque Specifications: Install this product strictly according to the torque values specified in the OEM parts manual.Installation Issues: If you encounter any discrepancies with the OEM specifications or face difficulties at the initial stage of installation, stop immediately and contact customer service for assistance with returns or exchanges.

No Forced Installation: Do not force installation under any circumstances.Liability: Any damages resulting from forced installation or unauthorized modifications of this product (or its components) will be the sole responsibility of the buyer.

All products are photographed to accurately represent the colors you will see upon receipt.

Due to differences in lighting, angles, or screen settings, slight color variations may occur.

The actual product should be considered the standard.For "colored" and "blue" products, the coloring process may result in uneven color distribution, making each product unique.