Utilizing a 2-piece construction design, Jagwire LR2 rotors have a stainless steel braking surface to provide quiet, consistent stopping power. The lightweight aluminum spider features an integrated concentric ring and reinforced rivet joints to resist warping and improve durability.Includes T25 mounting hardware for installation on ISO 6-bolt hubs. Not compatible with brakes with pads that extend below the caliper body. Examples include the Avid BB7, Avid Juicy, Hayes HFX, and Hayes MX1. Stainless steel machined braking surface resists corrosion and is tuned to reduce braking noise. Aluminum spider helps keep weight to a minimum. Compatible with all popular disc brake pad compounds (organic/resin, metallic, and semi-metallic). Item Specifications: Hub/Disc Compatibility, 6-Bolt Disc, Pad.