Shimano Ultegra FC-R8100 12-Speed Crankset 175mm 50-34T HOLLOWTECH II for Road Bikes

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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 (175mm, 50-34T). Pairs with a 24mm HOLLOWTECH II bottom bracket (sold separately) for Shimano 12-Speed road drivetrains. Key Specifications Brand Shimano Series Shimano Ultegra FC-R8100 MPN FC-R8100 Type Crankset Speeds 12-Speed Key Spec 175mm, 50-34T Material Aluminum (HOLLOWTECH II hollow-forged) Weight 700 g (24.7 oz) Color Grey / Black Country of Origin Japan Condition Brand new — original Shimano retail packaging 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 Brand new in retail packaging. Ships from Ontario, California (US domestic) · Estimated delivery 3–5 business days · Free 30-day returns. Show more