Shimano Tiagra 50WLRSA
Machined Aluminum Frame Machined Aluminum Sideplates Cold Forged Aluminum Spool Rod Clamp Offset Ergonomic Power Grip A-RB (Anti-Rust Bearings) Clicker Metal Series Chrome Plated Sideplate Screws Ratcheting Drag lever Twin Pawl Anti-Reverse System Machined Aluminum Frame Ratcheting Drag lever Cold Forged Aluminum Spool Rod Clamp Offset Ergonomic Power Grip Machined Aluminum Sideplates Clicker Metal Series Chrome Plated Sideplate Screws A-RB (Anti-Rust Bearings) Twin Pawl Anti-Reverse System Twin Disk Drag System (TI130A only)