Narrow wide tooth, it design for 1x speed only, can not use as 2x speed, not support front shifting derailleur. The flywheel cassette support 7/8/9/10/11/12 speed.
110BCD 4 Arms: Fit for road bike crankset 110BCD 4 arms, like R7100, R8100, R9200 R7000, R8000, R9100, R9000, 4700, 5800, 6800, R2000, R3000, RX810, RX600. GRX gravel crank.
Aluminum 7075 and CNC Process: Aluminum 7075 ensure it is lightweight but stiffness. Full CNC makes the precision size and nice surface looking.
Upgraded Narrow Wide Tooth: Current tooth shape is 2nd generation narrow wide tooth. With more curve and easy to clean and self-clean. Makes the chainring lifespan more longer.
1 Year Coverage. Package content is 1pcs chainring. Weight: 36T(56g/2oz), 38T(66g/2.3oz), 40T(74g/2.6oz), 42T(83g/3oz), 44T(87g/3.1oz), 46T(96g/3.4oz), 48T(106g/, 50T(117g/3.7oz), 52T(128g/4.5oz).
