Shimano XTR - AeroKool

Product code: KS-D630K

With forged aluminum back with cooling pins and high performance organic compound. Suitable for the same range as D630 EXCEPT:
DEORE BR-M596/M595
ALFINE BR-S501/S500

XTR BR-M965/966/975

Deore BR-M765/775/655/ 665/585/535/M800/M975/T665

Alfine BR-S505

Hone BR-M601 comp. w. Tektro TRP DASH CARBON