Chains

RK Chain and Sprocket Dirt Kits

RK Quick Acceleration Motorcycle Chain and Sprocket Kits
Works-quality RK racing chain and front and rear sprockets in one convenient package
All RK chains feature high carbon alloy steel solid rollers, bushings and pins
Heat-treated and pre-stressed for maximum wear life and performance
Kits include 520KZU ultraring chain with ultrathin O-ring, the Baja-winning 520SMO, MXZ XW-ring racing chains or quality TZ or KZ series non-O-ring chain
Rear sprockets made 7075 T-6 aluminum, unless noted; fronts made of case-hardened steel

RK Quick Acceleration Motorcycle Chain and Sprocket Kits

Select Options Below to Find the Right Product For You

HONDA
	Part #	Description	Price
	1230-0005	FITS MODEL: CR85R 03-04, CHAIN: GB420MXZ, OEM GEARING: 15-50, QUICK ACCELERATION GEARING: 15-50	$99.95
	1230-0109	FITS MODEL: CR125 05-07, CHAIN: GB520MXZ, OEM GEARING: 13-52, QUICK ACCELERATION GEARING: 13-53	$162.95
	1230-0112	FITS MODEL: CR125 02, CHAIN: 520MXZ, OEM GEARING: 13-51, QUICK ACCELERATION GEARING: 13-52	$128.95
	1230-0113	FITS MODEL: CRF250R 04-06, CHAIN: 520MXZ, OEM GEARING: 13-51, QUICK ACCELERATION GEARING: 13-52	$128.95
	1230-0114	FITS MODEL: CR250R 96-01, CHAIN: 520MXZ, OEM GEARING: 13-50, QUICK ACCELERATION GEARING: 13-51	$128.95
	1230-0114	FITS MODEL: CRF450R 04-07, CHAIN: 520MXZ, OEM GEARING: 13-50, QUICK ACCELERATION GEARING: 13-51	$128.95
	1230-0117	FITS MODEL: CR125R 02, CHAIN: GB520MXZ, OEM GEARING: 13-51, QUICK ACCELERATION GEARING: 13-52	$142.95
	1230-0118	FITS MODEL: CRF250R 04-06, CHAIN: GB520MXZ, OEM GEARING: 13-51, QUICK ACCELERATION GEARING: 13-52	$142.95
	1230-0119	FITS MODEL: CR250R 96-01, CHAIN: GB520MXZ, OEM GEARING: 13-50, QUICK ACCELERATION GEARING: 13-51	$142.95
	1230-0119	FITS MODEL: CRF450R 04-07, CHAIN: GB520MXZ, OEM GEARING: 13-50, QUICK ACCELERATION GEARING: 13-51	$142.95
	1230-0120	FITS MODEL: CR250R 02-03, CHAIN: 520EXW, OEM GEARING: 13-48, QUICK ACCELERATION GEARING: 13-49	$142.95
	1230-0120	FITS MODEL: CRF450R 04-07, CHAIN: 520EXW, OEM GEARING: 13-48, QUICK ACCELERATION GEARING: 13-49	$142.95
	1230-0121	FITS MODEL: CRF450X 05-07, CHAIN: 520EXW, OEM GEARING: 13-51, QUICK ACCELERATION GEARING: 13-51	$142.95
	1230-0130	FITS MODEL: CR125R 04, CHAIN: GB520MXZ, OEM GEARING: 13-53, QUICK ACCELERATION GEARING: 13-54	$162.95
	1230-0131	FITS MODEL: CRF250R 04-06, CHAIN: GB520MXZ, OEM GEARING: 13-51, QUICK ACCELERATION GEARING: 13-52	$162.95
	1230-0132	FITS MODEL: CR250R 02-03, CHAIN: GB520EXW, OEM GEARING: 13-48, QUICK ACCELERATION GEARING: 13-49	$157.95
	1230-0132	FITS MODEL: CRF450R 04-07, CHAIN: GB520EXW, OEM GEARING: 13-48, QUICK ACCELERATION GEARING: 13-49	$157.95
	1230-0133	FITS MODEL: CRF450X 05-07, CHAIN: GB520EXW, OEM GEARING: 13-51, QUICK ACCELERATION GEARING: 13-51	$157.95
	1230-0179	FITS MODEL: CR250R/CRF450F 02-03/04-07, CHAIN: 520MXZ, OEM GEARING: 13-49, QUICK ACCELERATION GEARING: 13-49	$128.95
	1230-0180	FITS MODEL: CR250R/CRF450F 02-03/04-07, CHAIN: GB520MXZ, OEM GEARING: 13-49, QUICK ACCELERATION GEARING: 13-49	$142.95
	1230-0181	FITS MODEL: CR250R 05-07, CHAIN: 520MXZ, OEM GEARING: 13-49, QUICK ACCELERATION GEARING: 13-50	$148.95
	1230-0182	FITS MODEL: CR250R 05-07, CHAIN: GB520MXZ, OEM GEARING: 13-49, QUICK ACCELERATION GEARING: 13-50	$162.95
	RK1002868Z	FITS MODEL: CR80R 86-02, CHAIN: 420MXZ, OEM GEARING: 15-49, QUICK ACCELERATION GEARING: 15-50	$91.95
	RK1002868ZG	FITS MODEL: CR80R 86-02, CHAIN: GB420MXZ, OEM GEARING: 15-49, QUICK ACCELERATION GEARING: 15-50	$99.95
	RK1002968ZG	FITS MODEL: CR80 Expert 96-07, CHAIN: GB420MXZ, OEM GEARING: 15-55, QUICK ACCELERATION GEARING: 14-53	$99.95
	RK1012-028ZG	FITS MODEL: CR125R 02, CHAIN: GB520MXZ, OEM GEARING: 13-51, QUICK ACCELERATION GEARING: 13-52	$162.95
	RK1012008ZG	FITS MODEL: CR125R 00-01, 03, CHAIN: GB520MXZ, OEM GEARING: 13-51, QUICK ACCELERATION GEARING: 13-52	$162.95
	RK1022-028ZG	FITS MODEL: CR250R 02-03, CHAIN: GB520MXZ, OEM GEARING: 13-48, QUICK ACCELERATION GEARING: 13-49	$162.95
	RK1022-028ZG	FITS MODEL: CRF450R 04-07, CHAIN: GB520MXZ, OEM GEARING: 13-48, QUICK ACCELERATION GEARING: 13-49	$162.95
	RK1022028Z	FITS MODEL: CR250R 02-03, CHAIN: 520MXZ, OEM GEARING: 13-48, QUICK ACCELERATION GEARING: 13-49	$148.95
	RK1022028Z	FITS MODEL: CRF450R 04-07, CHAIN: 520MXZ, OEM GEARING: 13-48, QUICK ACCELERATION GEARING: 13-49	$148.95
	RK1022968ZG	FITS MODEL: CRF450R 04-07, CHAIN: GB520MXZ, OEM GEARING: 13-50, QUICK ACCELERATION GEARING: 13-51	$162.95
	RK1022968ZG	FITS MODEL: CR250R 96-01, CHAIN: GB520MXZ, OEM GEARING: 13-50, QUICK ACCELERATION GEARING: 13-51	$162.95
KAWASAKI
	Part #	Description	Price
	1230-0007	FITS MODEL: KX125 03, CHAIN: GB520MXZ, OEM GEARING: 13-51, QUICK ACCELERATION GEARING: 13-52	$162.95
	1230-0022	FITS MODEL: KX250F 04-05, CHAIN: GB520MXZ, OEM GEARING: 13-48, QUICK ACCELERATION GEARING: 13-49	$162.95
	1230-0134	FITS MODEL: KX125 04-05, CHAIN: GB520MXZ, OEM GEARING: 13-51, QUICK ACCELERATION GEARING: 13-52	$162.95
	1230-0135	FITS MODEL: KX250 05-07, CHAIN: GB520MXZ, OEM GEARING: 13-51, QUICK ACCELERATION GEARING: 13-52	$162.95
	1230-0170	FITS MODEL: KX450F 06, CHAIN: 520MXZ, OEM GEARING: 13-50, QUICK ACCELERATION GEARING: 13-51	$148.95
	1230-0171	FITS MODEL: KX450F 06, CHAIN: GB520MXZ, OEM GEARING: 13-50, QUICK ACCELERATION GEARING: 13-51	$162.95
	RK2002-028ZG	FITS MODEL: KX65 02-07, CHAIN: GB420MXZ, OEM GEARING: 13-47, QUICK ACCELERATION GEARING: 13-48	$99.95
	RK2002006ZG	FITS MODEL: KX65 00-01, CHAIN: GB420MXZ, OEM GEARING: 13-46, QUICK ACCELERATION GEARING: 13-47	$99.95
	RK2002918Z	FITS MODEL: KX80 91-97, CHAIN: 420MXZ, OEM GEARING: 13-49, QUICK ACCELERATION GEARING: 13-50	$91.95
	RK2002918ZG	FITS MODEL: KX80 91-97, CHAIN: GB420MXZ, OEM GEARING: 13-49, QUICK ACCELERATION GEARING: 13-50	$99.95
	RK2002988Z	FITS MODEL: KX80/85 98-00/01-07, CHAIN: 420MXZ, OEM GEARING: 14-50, QUICK ACCELERATION GEARING: 14-51	$91.95
	RK2002988ZG	FITS MODEL: KX80/85 98-00/01-07, CHAIN: GB420MXZ, OEM GEARING: 14-50, QUICK ACCELERATION GEARING: 14-51	$99.95
	RK2010988ZG	FITS MODEL: KX100 98-07, CHAIN: GB420MXZ, OEM GEARING: 13-51, QUICK ACCELERATION GEARING: 13-52	$99.95
	RK2012008ZG	FITS MODEL: KX125 00-02, CHAIN: GB520MXZ, OEM GEARING: 12-49, QUICK ACCELERATION GEARING: 12-50	$162.95
	RK2012968Z	FITS MODEL: KX125 96-97, CHAIN: 520KZ6, OEM GEARING: 13-50, QUICK ACCELERATION GEARING: 13-51	$114.95
	RK2012988ZG	FITS MODEL: KX125 98-99, CHAIN: GB520KZ, OEM GEARING: 12-48, QUICK ACCELERATION GEARING: 12-49	$124.95
	RK2022-028ZG	FITS MODEL: KX250 02-04, CHAIN: GB520KZ, OEM GEARING: 13-49, QUICK ACCELERATION GEARING: 13-50	$162.95
	RK2022948Z	FITS MODEL: KX250 94-96, CHAIN: 520KZ6, OEM GEARING: 14-49, QUICK ACCELERATION GEARING: 14-50	$114.95
	RK2022978ZG	FITS MODEL: KX250 97-98, CHAIN: GB520KZ, OEM GEARING: 13-48, QUICK ACCELERATION GEARING: 13-49	$124.95
	RK2022998ZG	FITS MODEL: KX250 99-01, CHAIN: GB520KZ, OEM GEARING: 13-48, QUICK ACCELERATION GEARING: 13-49	$124.95
	RK2052898ZG	FITS MODEL: KX500 89-04, CHAIN: GB520MXZ, OEM GEARING: 14-47, QUICK ACCELERATION GEARING: 14-48	$162.95
KTM
	Part #	Description	Price
	RK5012938ZG	FITS MODEL: 125SX/250SX 93-05/04, CHAIN: GB520MXZ, OEM GEARING: 13-50, QUICK ACCELERATION GEARING: 13-51	$162.95
	RK5022968ZG	FITS MODEL: 250SX 96-03, CHAIN: GB520MXZ, OEM GEARING: 14-50, QUICK ACCELERATION GEARING: 14-51	$162.95
SUZUKI
	Part #	Description	Price
	1230-0172	FITS MODEL: RM125 06, CHAIN: GB520MXZ, OEM GEARING: 12-51, QUICK ACCELERATION GEARING: 12-52	$162.95
	1230-0183	FITS MODEL: RM-Z450 05, CHAIN: 520MXZ, OEM GEARING: 14-49, QUICK ACCELERATION GEARING: 14-50	$148.95
	1230-0184	FITS MODEL: RM-Z450 05, CHAIN: GB520MXZ, OEM GEARING: 14-49, QUICK ACCELERATION GEARING: 14-50	$162.95
	RK2002-028ZG	FITS MODEL: RM65 03-05, CHAIN: GB420MXZ, OEM GEARING: 13-47, QUICK ACCELERATION GEARING: 13-48	$99.95
	RK2010988ZG	FITS MODEL: RM100 03-05, CHAIN: GB420MXZ, OEM GEARING: 13-51, QUICK ACCELERATION GEARING: 13-52	$99.95
	RK30002898Z	FITS MODEL: RM80 89-01, CHAIN: 428MXZ, OEM GEARING: 14-48, QUICK ACCELERATION GEARING: 14-49	$95.95
	RK3002-028Z	FITS MODEL: RM85 02-06, CHAIN: 428MXZ, OEM GEARING: 14-47, QUICK ACCELERATION GEARING: 14-48	$95.95
	RK3002-028ZG	FITS MODEL: RM85 02-06, CHAIN: GB428MXZ, OEM GEARING: 14-47, QUICK ACCELERATION GEARING: 14-48	$105.95
	RK3002898ZG	FITS MODEL: RM80 89-01, CHAIN: GB428MXZ, OEM GEARING: 14-48	$105.95
	RK3012925Z	FITS MODEL: RM125 92-96, 00-04, CHAIN: 520MXZ, OEM GEARING: 12-49, QUICK ACCELERATION GEARING: 12-50	$148.95
	RK3012925ZG	FITS MODEL: RM125 92-96, 00-04, CHAIN: GB520MXZ, OEM GEARING: 12-49, QUICK ACCELERATION GEARING: 12-50	$162.95
	RK3012978ZG	FITS MODEL: RM125 97-99, 05, CHAIN: GB520MXZ, OEM GEARING: 12-50, QUICK ACCELERATION GEARING: 12-51	$162.95
	RK3022938Z	FITS MODEL: RM250 93-96, 99-03, CHAIN: 520MXZ, OEM GEARING: 13-49, QUICK ACCELERATION GEARING: 13-50	$148.95
	RK3022938ZG	FITS MODEL: RM250 93-96, 99-03, CHAIN: GB520MXZ, OEM GEARING: 13-49, QUICK ACCELERATION GEARING: 13-50	$162.95
	RK3022978ZG	FITS MODEL: RM250 97-98/04-06, CHAIN: GB520MXZ, OEM GEARING: 13-50, QUICK ACCELERATION GEARING: 13-51	$162.95
	RK3045008ZG	FITS MODEL: DR-Z400/E 00-06, CHAIN: GB520EXW, OEM GEARING: 14-47, QUICK ACCELERATION GEARING: 14-48	$177.95
YAMAHA
	Part #	Description	Price
	1230-0008	FITS MODEL: YZ450F 03-04, CHAIN: GB520MXZ, OEM GEARING: 14-48, QUICK ACCELERATION GEARING: 14-49	$162.95
	1230-0115	FITS MODEL: YZ250 99-06, CHAIN: 520MXZ, OEM GEARING: 14-50, QUICK ACCELERATION GEARING: 14-51	$128.95
	1230-0116	FITS MODEL: WR450F 99-06, CHAIN: 520MXZ, OEM GEARING: 14-49, QUICK ACCELERATION GEARING: 14-50	$128.95
	1230-0122	FITS MODEL: YZ250 99-06, CHAIN: GB520MXZ, OEM GEARING: 14-50, QUICK ACCELERATION GEARING: 14-51	$142.95
	1230-0123	FITS MODEL: WR450F 99-06, CHAIN: GB520MXZ, OEM GEARING: 14-49, QUICK ACCELERATION GEARING: 14-50	$142.95
	1230-0124	FITS MODEL: WR250F 01-06, CHAIN: 520EXW, OEM GEARING: 13-52, QUICK ACCELERATION GEARING: 13-51	$142.95
	1230-0125	FITS MODEL: YZ250 99-06, CHAIN: 520EXW, OEM GEARING: 14-50, QUICK ACCELERATION GEARING: 14-51	$142.95
	1230-0126	FITS MODEL: YZ450F 03-04, CHAIN: 520EXW, OEM GEARING: 14-48, QUICK ACCELERATION GEARING: 14-49	$142.95
	1230-0127	FITS MODEL: YZ400F/426F 99-02, CHAIN: 520EXW, OEM GEARING: 14-49, QUICK ACCELERATION GEARING: 14-50	$142.95
	1230-0136	FITS MODEL: WR250F 01-06, CHAIN: GB520EXW, OEM GEARING: 13-52, QUICK ACCELERATION GEARING: 13-51	$157.95
	1230-0137	FITS MODEL: YZ250 99-06, CHAIN: GB520EXW, OEM GEARING: 14-50, QUICK ACCELERATION GEARING: 14-51	$157.95
	1230-0138	FITS MODEL: YZ450F 03-04, CHAIN: GB520EXW, OEM GEARING: 14-48, QUICK ACCELERATION GEARING: 14-49	$157.95
	1230-0139	FITS MODEL: YZ400F/426F 99-02, CHAIN: GB520EXW, OEM GEARING: 14-49, QUICK ACCELERATION GEARING: 14-50	$157.95
	1230-0140	FITS MODEL: YZ125 02-04, CHAIN: 520MXZ, OEM GEARING: 13-49, QUICK ACCELERATION GEARING: 13-50	$128.95
	1230-0141	FITS MODEL: YZ125/YZ250F, CHAIN: 520MXZ, OEM GEARING: 13-48, QUICK ACCELERATION GEARING: 13-49	$128.95
	1230-0142	FITS MODEL: YZ450F 03-04, CHAIN: 520MXZ, OEM GEARING: 14-48, QUICK ACCELERATION GEARING: 14-49	$128.95
	1230-0143	FITS MODEL: YZ125 02-04, CHAIN: GB520MXZ, OEM GEARING: 13-49, QUICK ACCELERATION GEARING: 13-50	$142.95
	1230-0144	FITS MODEL: YZ125/YZ250F, CHAIN: 05-06/01-06 GB520MXZ, OEM GEARING: 13-48, QUICK ACCELERATION GEARING: 13-49	$142.95
	1230-0145	FITS MODEL: YZ450F 03-04, CHAIN: GB520MXZ, OEM GEARING: 14-48, QUICK ACCELERATION GEARING: 14-49	$142.95
	1230-0146	FITS MODEL: YZ125 99-01, CHAIN: 520MXZ, OEM GEARING: 13-48, QUICK ACCELERATION GEARING: 13-49	$128.95
	1230-0147	FITS MODEL: YZ125 99-01, CHAIN: GB520MXZ, OEM GEARING: 13-48, QUICK ACCELERATION GEARING: 13-49	$142.95
	1230-0173	FITS MODEL: YZ450F 06, CHAIN: 520MXZ, OEM GEARING: 13-49, QUICK ACCELERATION GEARING: 13-50	$128.95
	1230-0174	FITS MODEL: YZ450F 06, CHAIN: GB520MXZ, OEM GEARING: 13-49, QUICK ACCELERATION GEARING: 13-50	$142.95
	1230-0175	FITS MODEL: YZ450F 06, CHAIN: 520MXZ, OEM GEARING: 13-49, QUICK ACCELERATION GEARING: 13-50	$148.95
	1230-0176	FITS MODEL: YZ450F 06, CHAIN: GB520MXZ, OEM GEARING: 13-49, QUICK ACCELERATION GEARING: 13-50	$162.95
	1230-0177	FITS MODEL: YZ450F 06, CHAIN: 520EXW, OEM GEARING: 13-49, QUICK ACCELERATION GEARING: 13-50	$142.95
	1230-0178	FITS MODEL: YZ450F 06, CHAIN: GB520EXW, OEM GEARING: 13-49, QUICK ACCELERATION GEARING: 13-50	$157.95
	1230-0185	FITS MODEL: YZ450F 05, CHAIN: 520MXZ, OEM GEARING: 14-51, QUICK ACCELERATION GEARING: 14-51	$128.95
	1230-0186	FITS MODEL: YZ450F 05, CHAIN: GB520MXZ, OEM GEARING: 14-51, QUICK ACCELERATION GEARING: 14-51	$142.95
	1230-0187	FITS MODEL: YZ450F 05, CHAIN: 520MXZ, OEM GEARING: 14-51, QUICK ACCELERATION GEARING: 14-52	$148.95
	1230-0188	FITS MODEL: YZ450F 05, CHAIN: GB520MXZ, OEM GEARING: 14-51, QUICK ACCELERATION GEARING: 14-52	$162.95
	RK4002-028ZG	FITS MODEL: YZ85 02-06, CHAIN: GB428MXZ, OEM GEARING: 14-47, QUICK ACCELERATION GEARING: 14-48	$105.95
	RK4002028Z	FITS MODEL: YZ85 02-06, CHAIN: 428MXZ, OEM GEARING: 14-47, QUICK ACCELERATION GEARING: 14-48	$95.95
	RK4002938Z	FITS MODEL: YZ80 93-01, CHAIN: 428MXZ, OEM GEARING: 14-47, QUICK ACCELERATION GEARING: 14-48	$95.95
	RK4002938ZG	FITS MODEL: YZ80 93-01, CHAIN: GB428MXZ, OEM GEARING: 14-47, QUICK ACCELERATION GEARING: 14-48	$105.95
	RK4012-028ZG	FITS MODEL: YZ125 02-04, CHAIN: GB520MXZ, OEM GEARING: 13-49, QUICK ACCELERATION GEARING: 13-50	$162.95
	RK4012948Z	FITS MODEL: YZ125 94-96, CHAIN: 520KZ6, OEM GEARING: 13-50, QUICK ACCELERATION GEARING: 13-51	$114.95
	RK4012978Z	FITS MODEL: YZ125 97-98, CHAIN: 520KZ6, OEM GEARING: 13-48, QUICK ACCELERATION GEARING: 13-49	$114.95
	RK4012978ZG	FITS MODEL: YZ125 97-98, CHAIN: GB520KZ, OEM GEARING: 13-48, QUICK ACCELERATION GEARING: 13-49	$124.95
	RK4012998ZG	FITS MODEL: YZ125 99-01, CHAIN: GB520MXZ, OEM GEARING: 13-48, QUICK ACCELERATION GEARING: 13-49	$162.95
	RK4022018ZG	FITS MODEL: YZ250F 01-06, CHAIN: GB520MXZ, OEM GEARING: 13-48, QUICK ACCELERATION GEARING: 13-49	$162.95
	RK4022948Z	FITS MODEL: YZ250 94-97, CHAIN: 520KZ6, OEM GEARING: 13-49, QUICK ACCELERATION GEARING: 13-50	$114.95
	RK4022998ZG	FITS MODEL: YZ250 99-06, CHAIN: GB520MXZ, OEM GEARING: 14-50, QUICK ACCELERATION GEARING: 14-51	$162.95
	RK4042988ZG	FITS MODEL: YZ400F/426F 99-02, CHAIN: GB520MXZ, OEM GEARING: 14-49, QUICK ACCELERATION GEARING: 14-50	$162.95

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