Stainless Steel Disc Brake Adapter Bracket 31.8mm for Mountain Bikes

Stainless steel disc brake adapter bracket for mountain bikes (31.8mm clamp). Provides a durable, rust‑proof solution for adding disc brakes to frames without factory mounts.

• Compatible with 160 mm rotors
• Fits 22 mm or 31.8 mm clamp sizes (select 31.8 mm version)
• Easy, tool‑free installation – no drilling required
• Lightweight: only ~70 g
• Dimensions: 51 mm length, 31.8 mm clamp