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G Form Pro X4 Knee Guard Knee Guards Black M Pair Hi & Low Speed compression Color Black Number of Chainrings MFPN=16820 Color Black Number of Chainrings No Rings No Spider Included Crank Length (mm) 170 Crank Intended Use Mountain Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 BB Included No Pedal Spindle 9 16" Spindle Interface Type RaceFace EXI Spindle Interface Type Shimano Hollowtech II Chainring BCD Direct Mount CINCH Chainline Hub Compatibility 135 142 MTB Hubs Chainline Hub Compatibility 141 148 Boost Hubs Chainline Hub Compatibility 150 157 DH Hubs Defined Color Black keyword search RXC137 }SRAM Rival AXS Left Crank Arm and Power Meter Spindle Assembly 172 Machine washable margin right:5%
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