2Pcs Shimano Centerlock Disc Brake Rotor Lock Ring Black MTB ROAD MTB Fit Sram-OE,No Retail Box

Versatile External Serration Center Lock Ring

This Shimano aluminum center-lock ring features an external serration design, offering maximum compatibility across all hub standards. Unlike internal lockrings, this external version provides the necessary clearance for large 15mm and 20mm thru-axle hubs while remaining fully compatible with standard quick-release systems. Precision-machined for a secure, high-torque fit.

📊 Technical Specs

⚠️ Installation Note for OE

This is the OE version (Original Equipment). As an OE part, it does not include retail cardboard packaging. Installation requires an external notched bottom bracket tool (e.g., Park Tool BBT-9 or BBT-69.2).

📦 What’s in the Box?

2x Shimano Aluminum Center Lock Rings (External Serration)