ONE KIT. EVERY FRAME STANDARD. ZERO GUESSWORK. The BOMB LOOP 4-in-1 Headset Kit is designed to eliminate compatibility headaches for riders, builders, and bike shops. Instead of stocking multiple headset types, this universal system covers almost every modern MTB frame standard in one complete solution. CNC-machined aluminum construction ensures durability, precision fit, and long-term performance. TECH SPECS Material: CNC-machined aluminum Bearings: 45° sealed bearings Crown races: 30mm & 39.8mm Standards included: IS42 / IS52 / ZS44 / ZS56 Steerer compatibility: 1-1/8” straight / 1.5” tapered Weight: 135g Color: Black WHY RIDERS & SHOPS CHOOSE BOMB LOOP Universal Compatibility: replaces multiple headset SKUs Workshop Friendly: simplifies inventory and builds CNC Precision: smooth, durable fit and finish Lightweight System: no unnecessary bulk RIDE FEEL Solid, precise steering with smooth bearing performance across all frame setups. BUILD SMART. RIDE CLEAN. The BOMB LOOP 4-in-1 simplifies your cockpit setup and keeps your build efficient and professional.