Which size should I choose — 160mm or 140mm?

Most road disc front calipers use 160mm; rear typically uses 140mm. Check your frame and fork's rotor size specification before ordering.

Does Dura-Ace rotor work with Ultegra calipers?

Yes — Shimano disc rotors are cross-compatible across groupset tiers. Dura-Ace rotors work with any Shimano road disc caliper.

Shimano

Shimano DURA-ACE CENTER LOCK Disc Brake Rotor 160/140 mm

Name: Shimano DURA-ACE CENTER LOCK Disc Brake Rotor 160/140 mm
Brand: Shimano
SKU: ISMRT900SS1
Price: 5730.00 INR
Availability: InStock
Author: InstaSport Editorial

₹5730.00

Description

DURA-ACE CENTER LOCK - Disc Brake Rotor - ICE TECHNOLOGIES FREEZE - 160/140 mm The pinnacle in stopping power, DURA-ACE SM-RT900 disc brake rotors deliver consistent braking performance for better control and confidence in race conditions. The ICE TECHNOLOGIES FREEZA rotor significantly reduces heat