FEATURES + BENEFITS
Optimized lightweight crank arm design produces excellent power transfer efficiency | Minimized weight without sacrificing stiffness | HOLLOWTECH II | Rider tuned gear performance through various gear combinations | Possible to choose the best choice for ride | Redesigned FC for greater frame compatibility | Wider gear pitch increases clearance between chain and leading teeth to provide compatibility with frames with O.L.D. 135mm and 410mm chain stay length | 46-36T, 50-34T, 52-36T, 53-39T | 165, 170, 172.5, 175mm
DETAILS
FRONT CHAINWHEEL, FC-R8000, ULTEGRA, FOR REAR 11-SPEED, HOLLOWTECH 2
SPECS
	
		
			
CRANK AXEL FINISH
			
-
		
		
			
OUTER RING MATERIAL
			
Aluminum/CFRP,Aluminum
		
		
			
SPIDER ARM MATERIAL
			
-
		
		
			
AVERAGE WEIGHT
			
681g,690g,668g,674g
		
		
			
AXLE LENGTH OF BB
			
-
		
		
			
THREADED BB SHELL WIDTH
			
68,70
		
		
			
GENDER
			
-
		
		
			
CRANK ARM FINISH
			
Anodized
		
		
			
SPIDER ARM FINISH
			
-
		
		
			
COMPATIBLE BB TYPE
			
Outboard
		
		
			
GEAR ARMS
			
4
		
		
			
MIDDLE RING MATERIAL
			
-
		
		
			
COMPATIBLE CHAIN
			
HG-EV 11 Speed/ HG-X11
		
		
			
SERIES
			
Ultegra R8000
		
		
			
INNER RING MATERIAL
			
Aluminum
		
		
			
GENERATION
			
-
		
		
			
CHAIN RING COMBINATION
			
52-36,50-34,53-39,46-36
		
		
			
CRANK ARM LENGTH
			
165,170,172.5,175
		
		
			
MIDDLE RING FINISH
			
-
		
		
			
INNER RING FINISH
			
-
		
		
			
OUTER RING FINISH
			
-
		
		
			
CHAIN CASE COMPATIBLE
			
-
		
		
			
CRANK ARM MATERIAL
			
Aluminum
		
		
			
CRANK AXEL MATERIAL
			
-