M5 x 13.5mm Hollow Titanium Guide Pulley Bolt for Shimano R8150 / R9250 / XT M8100 / SLX M7100 Derailleurs

Description

This M5 x 13.5mm hollow titanium bolt is designed to secure the guide pulley (lower jockey wheel) on a range of Shimano 12-speed road and mountain bike rear derailleurs. Precision CNC-machined from Grade 5 Titanium (Ti-6Al-4V), this bolt offers exceptional strength, corrosion resistance, and a significant weight advantage—just 0.83g—thanks to its hollow construction.

Ideal for performance-driven riders and custom builders alike, this bolt is available in 9 eye-catching finishes to match your bike’s aesthetic. Whether you're looking to reduce weight, replace rusted OEM bolts, or add a personalized touch, this is a high-impact, low-cost upgrade.

Specifications:

• Material: Grade 5 Titanium (Ti-6Al-4V)
• Thread Size: M5 x 13.5mm
• Thread Pitch: 0.8mm
• Head Diameter: 8mm
• Weight: Approx. 0.83g
• Design: Hollow / Lightweight
• Quantity: 1 pc
  
• Weight: 0.83g
  
• Tool: 3mm Hex Key
  
• Finish Options: Gold, Rainbow, Titanium, Black, Blue, Green, Purple, Candy
• Fitment:

               Shimano Dura-Ace R9250 (12-speed Di2)

               Shimano Ultegra R8150 (12-speed Di2)

               Shimano XT M8100 (12-speed MTB)

               Shimano SLX M7100 (12-speed MTB)

Features:

• Super lightweight hollow design — only 0.83g
• Excellent anti-corrosion performance in wet and muddy conditions
• Compatible with both road and MTB Shimano 12-speed derailleurs
• Precision machined threads ensure secure and easy installation
• Available in 9 vibrant anodized or vacuum-coated color options
• Perfect for replacing worn or corroded OEM pulley bolts

Note

👉 Compatibility confirmed for Shimano R8150, R9250, XT M8100, and SLX M7100 rear derailleurs.
👉 Please verify your original bolt size and pitch (M5 x 13.5mm, 0.8mm) before purchase.