SRAM 2010 and later X9 and X7 9- and 10 speed Pulley Kit MFPN=11.4118.068.450 model HRM 200 (M-XL) description

model HRM 200 (M-XL) description ANT+/Bluetooth heart rate chest strap

From its massive 520% gear range the 52 tooth cog steps down with improved gear progression with 44 and 38 tooth cogs in the low end (compared to the Eagle drivetrain 10-52-tooth cassette)

They feature extra tall teeth for reliable chain retention when using chain tensioners and are machined from 416 stainless steel billet with heat treating and electropolishing post processing for durability and corrosion resistance

The binding also offers 45 mm of flex in its length adjustment

SRAM 2010 and later X9 and X7 9- and 10 speed Pulley Kit MFPN=11.4118.068.450 model HRM 200 (M-XL) descriptionSRAM 2010 and later X9 and X7 9 and 10 speed Pulley Kit. Original equipment rear derailleur pulleys for SRAM rear derailleurs. TECH SPECS Fits Brand SRAM Drivetrain Speeds 9 Drivetrain Speeds 10