A replacement left-hand crank arm for the Shimano Ultegra FC-R8100 12-speed crankset — for a damaged arm, or to match a different crank length. It fits the standard FC-R8100 only; the FC-R8100-P power meter uses its own left arm unit.

Stocked by Tune Cycles in Marrickville, Sydney — buy online, or have us fit it in the workshop: tunecycles.com.au/book.

Shimano warrants this product against defects in materials and workmanship for 2 years from the date of original purchase. This warranty covers manufacturing defects and does not extend to normal wear, improper installation, misuse, or damage caused by accident. Shimano's obligation under this warranty is limited to repair or replacement of the defective product at Shimano's discretion.

For warranty support, return the item to Tune Cycles.

  • Left-hand crank arm for Shimano Ultegra FC-R8100
  • 165, 170, 172.5 and 175 mm
  • Not for the FC-R8100-P power meter crankset
FitsShimano Ultegra FC-R8100 (12-speed)
SideLeft
Lengths165 / 170 / 172.5 / 175 mm
SKU SHM-FC-R8100-LARM
Brand Shimano
Shipping Weight 0.9000kg
Shipping Width 0.250m
Shipping Height 0.100m
Shipping Length 0.400m