Pay in 4 interest-free payments of $11.50 Learn more
Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
Maximum chainring size: 42/48T
and fit most hubs currently in use
Iron Horse
M50T compound brake pads for road calipers
Trigger operation allows for easy and precisely controlled inflation
X4 Double down Maximum chainring size: 42/48T1: 1 actuation (SRAM shifter compatible) 9 8 7 speed system compatible Min cog: 11T Max cog 34T Front difference 22T max Total capacity : 45T SRAM Model ID: RD X4 A1 Attributes Cage Long Max Front Difference 22T Maximum Cog 34T Minimum Cog 11T Primary Color Black RD Capacity 45T Speed 7 8 9
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