L04C Disc Brake Pad-Metal W/Fin & Spring Mountain As a top-normal rear derailleur

As a top-normal rear derailleur

giving you a true custom saddle feel

One size fits most adults

11T Fluoric coated link bushings 4 Pulley|Guide pulley bearing Sealed Bearing Pulley|Tension pulley bearing Sealed bearing Pulley|Teeth 11 Pulley|Sunken type pulley screw ✔ B-axle|Hollow axle ✔ B-axle 2|Hollow axle ✔ Di2 connectivity wired|Di2 shifting ✔ SD50 port (pcs) 1 SD300 port (pcs) 0 SD50 connector (pcs) 0 SD300 connector (pcs) 0

Ez-fit system

L04C Disc Brake Pad-Metal W/Fin & Spring Mountain As a top-normal rear derailleurPair of L Type brake pads with fins, for one caliper Ice Technologies fins & aluminum backplate cools down the brakes in use, which improves braking consistency and power and reduces brake fade, especially in long descents Choice of compound: Resin, for improved modulation & lower noise, or Metallic, for improved durability & higher braking power in muddy conditions Longer lasting than K Type pads Interchangeable with K type finless pads Fits all