A: Absolutely. Remove the front derailleur and chainrings, install a narrow-wide chainring (104 BCD), and use a 11-42t cassette in the rear.
A: You need a 165mm x 38mm shock (coil or air). A Rockshox Monarch RL or Fox Float RP2 works with minimal bushing modification. xtm avengers main 18
In the rapidly evolving world of mountain biking, where carbon fiber and electronic shifting dominate the headlines, a strange phenomenon occurs: certain aluminum frames from the mid-2000s become cult classics. The XTM Avengers Main 18 is one such relic. For collectors, budget trail riders, and vintage bike enthusiasts, this model represents a sweet spot between old-school geometry and the dawn of modern all-mountain capability. A: Absolutely
| Rider Height | Frame Size | Fitment | | :--- | :--- | :--- | | 5'4" - 5'7" | 16" (Avengers Main 16) | Better standover | | | 18" (Main 18) | Perfect range | | 6'1" - 6'3" | 20" (Avengers Main 20) | Rare; stretched reach | A Rockshox Monarch RL or Fox Float RP2
But what exactly is the “Main 18,” and why does it still command attention on used market forums today? This article dives deep into the specs, history, sizing, upgrades, and ownership experience of the XTM Avengers Main 18. First, a quick history lesson. XTM (often stylized as X-Treme Machines) was a Taiwanese and European brand that gained traction in the early 2000s. Never a "Big Three" brand (Trek, Specialized, Giant), XTM competed in the value-performance sector. They were known for aggressive welding aesthetics, overbuilt swingarms, and shock absorption that punched above their price point.