Thunder Mountain Bikes
Eagle 90 Derailleur & Shifter
- Thunder Mountain Bikes$265Buy
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From Thunder Mountain Bikes
Mechanical. Now Unstoppable. Meet the world&&';;s first mechanical drivetrain with Full-Mount durability rebuildable toughness and rock-solid shifting under max power. With an easy foolproof setup and unmatched reliability Eagle 90 Transmission redefines mechanical shifting for the modern MTB rider. The Best Shift Under Load. Period. Power through every shift no matter the terrain. With X-Sync tooth profiles and 44 optimized shifting points Eagle 90 delivers precise smooth gear changes under full load whether on an E-MTB or a hard-charging trail bike. Tougher. Smarter. Unstoppable.