
SHIMANO BOOST (3mm offset) Round Hollow Narrow Wide Chainring
Model 28T or 30T or 32T or 34T or 36T or 38T Colour Black or Silver Made from 7075-T651 Aluminum Alloy Surface coating Anodizing Made with CNC milling Chainring shape Round Compatible cranksets Shimano -Direct Mount (XTR M9100/9120/9125/9130、XT M8100/8120/8130、SLX M7100/7120/7130、Deore M6100/6120/6130、MT900、MT610) Weight, grams 47 (28T), 56 (30T), 59 (32T), 61 (34T), 73 (36T),77 (38T), Offset, mm 3mm Chain compatibility Standard or 9/10/11/12 speed Bicycle shop or dealer contact customer service PASS QUEST NARROW WIDE CHAINRING The SHIMANO Chainring is made of the whole aluminumplate by CNC milling. The back is hollowed and chamfered.ensuring the strength and reducing the weight of the gear disc! Thetooth plate adopts a lengthened tooth shape, and the teeth exceedthe chain a lot, even if the chain beats violently, it is difficult to get out of the teeth, so as not to drop the chain. Our tooth height achieved 8.5 mm, Increased too