Genuine Shimano replacement part. For use with Shimano Ultegra FC-6700 10spd Compact Double Chainset - 52-39T
Can also use 52T Outer Chainring from FC-7900 or FC-5700, these are a "B" match which indicates that the parts are usable, but differ in materials, appearance, finish & size etc.
Features:
BCD: 130mm
Hollow forged, reduces flex for more responsive shifting and better power transfer
*Does not come with Crank Arm*
