Shimano Dura-Ace R9100 34t 110mm 11-Speed Chainring for 34/50t MFPN=B427HS A07205 Ball detent swivel head tested

Ball detent swivel head tested to over 40Nm of torque

Bolts and lock washers included

The Jumbo Jim is designed to to thrive in these conditions with its large volume casing combined with extremely low air pressures

RaceFace Narrow Wide Hyperglide+ 1x chainrings are made of 4mm thick 7075-T6 alloy plate for stiffness and strength

Shimano Dura-Ace R9100 34t 110mm 11-Speed Chainring for 34/50t MFPN=B427HS A07205 Ball detent swivel head testedShimano Dura Ace R9100 34t 110mm 11 Speed Chainring for 34 50t. This Shimano chainring allows you to update your Dura Ace FC R9100 11 speed crankset with a chainring configuration to best fit your riding style. Integrates Shimano Hollowglide Technology: the high rigidity hollow structure cuts down on weight yet maintains strength to provide better power transfer and quicker more precise front shifting Features a weight saving 4 bolt design with a BCD