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GRX ST-RX600 Shifter/Hydraulic Brake Lever
Item Specifications Color Silver/Gray Weight 257g Width 5
a soft touch grip
while MTB formula is for GXP bottom brackets (road and mtn) and mountain derailleur pulleys
and a rear transition hook
Wolf Tooth Rear Thru Axle - M12, 1.0 x 159mm, for X12 x 142mm, Black headset-tool GRX ST-RX600 Shifter/Hydraulic Brake LeverThe Wolf Tooth Rear Axle uses a captive steel washer under the head to reduce friction on the dropout face. This protects your expensive frame, transfers more of the tightening torque to clamping load for a stiffer interface and prevents the axle from sticking or galling when you want to remove it. Made in Minnesota to aerospace standards Item Specifications Axle Diameter (mm) 12 Color Black Overall Length (mm) 159 Thread Length (mm) 12 Thread Pitch