CeramicSpeed T47/86 Inboard - Coated Bottom Bracket
CeramicSpeed T47/86 Inboard - Coated Bottom Bracket, The CeramicSpeed T47/86 Inboard Coated Bottom Bracket lets us easily install Shimano and other 24mm diameter thru-axle cranks into a T47 shell. This version features coated bearings that use a 3-micron thick metallic layer making for a harder smoother and longer-lasting lifespan while also a decrease in drag.