9-36T Replacement Cassette Part
This is the lower replacement part for a ethirteen Helix Race cassette. Ethirteen cassettes have two key parts, both of which can be replaced separately. This part is the lower 10 rings and is to be used in tandem with the 42-50T replacement part. The lower 10 gears have been machined from steel to provide a longer lasting cogs. The 9T cog provides the ability to shift down a size in front chain rings and increase ground clearance without sacrificing pedal power.
• 10 steel cogs
• 9, 11, 13, 15, 17, 20, 23, 27, 31, 36T
• Service part only - Must be paired with a Helix Race 42-50T cluster
• Sram XD freehub driver
• Compatible with Shimano and Sram chains/Shifter/Derailer