Stone 110bcd Double Circle Chainring Shimano 105 R7100 UT R8100 DA R9200 Road Bike 46-32T,48-33T,50-34T,54-40T,52-36T,53-39T (54T-40T)

Chainring fit: Shimano 105 R7100, UT R8100, DA R9200, most 110bcd 4 volt power meter spider Material: High strength aluminum 7075-T651 Speed: 9-11s (road bike), fits Shimano 12 speed road bike chain Regarding bolts and cover caps: Bolts and cover caps are not included with the chainring and must be ordered separately. Cannot be used with 46-32T. For use with Stone double chainrings only, will not fit other chainrings. Stone 110bcd Double Circle Chain Ring for Shimano 105 R7100 UT R8100 DA R9200 Road Bike 46-32T,48-33T,50-34T,54-40T,52-36T,53-39T,55-40T,56T-42T,58T-44T    Chainring fit: Shimano 105 R7100, UT R8100, DA R9200, most 110bcd 4 bolt power meter spider Material: High strength aluminum 7075-T651 Color: Black Size: 110bcd Advantages: Fast chain shifting Weight: 167g (50T/34T) Speed: 9-11s (road bike), Suitable for Shimano 12 speed road bike chain Offset: 0mm About bolts and cover caps: Bolts and cover caps are not included in the chainring and must be ordered separately. Cannot be used with 46-32T. For use with Stone double chainrings only, will not fit other chainrings. Material: AL-7075T651, CNC process system Only fits Mano R7100 R8100 R9200 (not common between each model, please choose according to your bike's crank model) Modification cap integrates with the crank shape for smooth transition of seams.  About the front derailleur extender The front derailleur extender is not included with the chainring and must be ordered separately. Compatible models: 12s Di2 Shimano Dura-Ace R9250 R9200/ Ultegra R8150, R8170, R8100/ 105 R7150, R7100/ FORCE Also compatible with AXS 10's and 11's road bikes, but not mountain bikes.Function: By raising or lowering the height of the front derailleur, you can use large-tooth/small-tooth chainrings on road bikes. Lifting Distance: 15.5mm Material: 304 Weight: 9g Package Contents: Package includes 2 chainrings and 4 bolts or a set of bolt covers (cover cap and front derailleur extension (not included with chainring and must be ordered separately)