Genuine Shimano 50-tooth outer chainring (NK), supplied as a spare part for the FC-RS520 12-speed road crankset in its 50-34T configuration. P.C.D. 110 mm. This is the outer ring only; the 34T inner ring and fixing bolts are not included.

Fits

  • Shimano FC-RS520 crankset (50-34T, 2x12-speed)

Shimano part code Y0RT98010 (Chainring 50T-NK). The matching 34T inner ring is sold separately as Y0RT9801T.

Covered by Shimano's spare-parts warranty against manufacturing defects. For warranty support, return the item to Tune Cycles.
  • Genuine Shimano replacement outer chainring (Shimano code Y0RT98010, "Chainring 50T-NK")
  • 50 teeth, P.C.D. 110 mm
  • For the FC-RS520 crankset in 50-34T, 2x12-speed configuration
  • Outer ring only - inner 34T ring (Y0RT9801T) and chainring fixing bolts not included
Part numberY0RT98010 (Chainring 50T-NK)
TypeOuter chainring, 50T
P.C.D.110 mm
Speed12-speed
FitsShimano FC-RS520 (50-34T)
Included50T outer chainring only
SKU SHM-Y0RT98010
Barcode # 4550170647070
Brand Shimano