Technical mounting adapter for ISCG chain guides Key features - Weight: approx 25 g (ISCG03 version), 26 g (ISCG05 version), 29 g (shaft mounting piece) - Type ISCG 05: mounting hole spacing 55.90 mm - Type ISCG 03: mounting hole spacing 47.7 mm - Material: 7075 aluminum alloy and plastic Why you need it - Enables compatibility of ISCG chain guides with frames or components that use ISCG 03 or ISCG 05 mounting standards - Lightweight construction preserves overall bike weight while providing solid mounting - Durable materials offer reliable performance under trail riding conditions Compatibility and performance - Supports ISCG 03 and ISCG 05 mounting standards - Precise hole spacing ensures correct alignment for chain guides and accessories - Combines strength of 7075 aluminum alloy with the resilience and fit of plastic components Use scenarios - Scenario 1: Upgrading a frame to accommodate an ISCG 05 chain guide by using the appropriate mounting spacing - Scenario 2: Replacing a worn or damaged mounting interface on a frame that supports ISCG 03 or ISCG 05, maintaining a lightweight setup - Scenario 3: Building a lightweight trail or cross-country bike that requires a compatible ISCG 03 or ISCG 05 mounting adapter for a modern chain guide Notes - All measurements refer to approximate weights and standard mounting distances as specified - Material combination provides a balance of rigidity and impact resistance for regular riding conditions