Shimano Ultegra FC-R8100 12-Speed Crankset 172.5mm 52-36T HOLLOWTECH II Road

Shimano Ultegra FC-R8100 is a genuine Shimano crankset delivering precise, reliable shifting for road bike riders.

Genuine Shimano Ultegra — brand new in retail packaging.

Will it fit? This is a 12-Speed HOLLOWTECH II crankset (172.5mm, 52-36T). Pairs with a 24mm HOLLOWTECH II bottom bracket (sold separately) for Shimano 12-Speed road drivetrains.

Key Specifications

Technology Highlights

• ✓ HOLLOWTECH II hollow-forged arms give a high stiffness-to-weight ratio for efficient power transfer.
• ✓ 24mm steel spindle provides a stiff, reliable HOLLOWTECH II interface.
• ✓ Four-arm asymmetric spider is stiff and light for strong power transfer.
• ✓ Genuine Shimano quality — consistent performance and durability.

What's in the Box

• 1 × Shimano Ultegra FC-R8100 crankset (chainrings as specified)
• Documentation (as supplied)
• Original Shimano retail packaging