E*thirteen Helix R Guidering (3mm Offset) 3-Bolt 34t Gray MFPN=WERC140AIDXCA18234 Lower headsets on bikes with

Lower headsets on bikes with Knock Block do not have any unique features

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}Full Speed Ahead Omega/Vero Pro Steel Road Double Chainring - 36t 90 BCD Steel N-11 Black

0mm 264mm Straight Pull Black Box of 20

E*thirteen Helix R Guidering (3mm Offset) 3-Bolt 34t Gray MFPN=WERC140AIDXCA18234 Lower headsets on bikes withe*thirteen Helix R Guidering 34t 11 12 Speed 3mm Offset SRAM 3 Bolt DM Gray. Helix R SRAM Direct Mount Chainrings offer a true upgrade solution for SRAM 3 Bolt MTB crank users (including DUB) to achieve cross compatibility with both SRAM and Shimano 11 and 12 speed drivetrains. Forged from 7075 T7 aluminum then extensively CNC optimized for industry leading weights and a unique high end full CNC aesthetic 3mm offset (Boost chainline) Compatible with