RK CHAIN 420MXU2 - 136 LINK - GOLD (U-RING) Category_Caliper Rebuild Kits C(20) Ah: 21

C(20) Ah: 21

and daily streetwear use

this Racing 2:1 Collector unit is designed to connect direct to the ARROW SONORA Silencer #72501 series designed for this model

SEALED 'RX' RING CHAIN

RK CHAIN 420MXU2 - 136 LINK - GOLD (U-RING) Category_Caliper Rebuild Kits C(20) Ah: 21SEALED 'UW' RING CHAIN RK MX U ring racing chain features RK's new ultra slim UW rings and is designed to deliver consistent power delivery as well as increased chain life. It is also one of the lightest sealed ring motocross race chains available on the market, and all components are heat treated using RK's exclusive HIT (Heat Induction Transfer) process. Please note that MXZ4 and MXZ5 connecting links are NOT interchangeable! You must use MXZ4