520 R3-3 - SRS Drive Chain - 120 Links 1403-1820 Some wheels may require front

Some wheels may require front wheel spacers to clear the caliper

Injection molded medial abrasion plate with integrated shift protection

Accepts tire widths from 90mm to 200mm

These housings have been designed for

Single layer construction for high levels of breathability and comfort

520 R3-3 - SRS Drive Chain - 120 Links 1403-1820 Some wheels may require frontRenthal's SRS (Self Regulating Seals) system increases service life of chain Comes pre stretched for less adjustment during break in Rivet link has been changed to a hollow end to facilitate easier installation High carbon alloy steel pins, solid bushings and rollers, and shot peening of plates and rollers for increased fatigue resistance