Round chainrings specifically compatible with Shimano cranks Dura-Ace 9100, Ultegra 8000 & 105 R7000 but can be retrofit to all 9000 and 6800 series cranks
Ramps on big rings are specially configured for combinations: 50/34, 52/36, 52/38, 53/39T
Rugged CNC machined 7075 aluminum construction
Use original bolt when changing inner ring only, long bolts when changing outer
Super stiff design due to thicker, 5mm construction
CHAINRING ABSOLUTEBLACK 110mm 38T 4B ASYMETRIC 2X BK R9100/8000
$30.00
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