REAR DERAILLEURS	Minimum Sprocket size	Maximu Capacity	Total Capacity	Roa or MTB	Distance on center Between Pulleys	Nominal Index Type	Front Chainring Difference	Speed	Weight	Price
Campagnolo Record	12T	26T	26T	Road	46mm	Syncro	14T	7 & 8	256 g.	$149.99
Campagnolo Record Ti	12T	26T	26T	Road	46mm	Syncro	14T	7 & 8	-	$189.99
Campagnolo Athena	12T	-	-	Road	-	Syncro	-	7 & 8	-	$ 59.99
Campagnolo Chorus	12T	26T	26T	Road	46mm	Syncro	14T	7 & 8	246.5 g.	$ 79.49
Gorilla Billet Proshift	11T	32T	33T	MTB	66mm	STI	24T	7 & 8	171.5 g.	$199.99
Gripshift ESP	-	-	-	MTB	-	Sram	-	8	-	$134.99
Gripshift ESP Sysem	-	-	-	MTB	-	Sram	-	8	-	$194.99
Joe's	11T	32T	33T	MTB	66mm	STI	24T	8	208 g.	$189.99
Paul's Power Glide	11T	32T	38T	MTB	75mm	STI	20T	7 & 8	184.5 g.	$279.99
Rhino/Dean	11T	32T	33T	MTB	66mm	STI	22T	7 & 8	216.5 g.	$238.99
Sachs New Success	11T	32T	34T	MTB	70mm	STI	20T	7 & 8	265.5 g.	$  88.99
Sachs Quartz	-	-	-	MTB	-	-	-	7 & 8	-	$  92.99
Shimano Dura-Ace	12T	26T	26T	Road	48mm	STI	14T	7 & 8	207.5 g.	$ 79.99
Shimano Ultegra	12T	28T	28T	Road	48mm	STI	13T	7 & 8	225.5 g.	$ 39.49
Shimano 105SC Double	12T	28T	28T	Road	48mm	STI	13T	7 & 8	246 g.	$ 33.99
Shimano 105SC Triple	12T	32T	-	Road	-	STI	-	7 & 8	-	$ 42.99
Shimano XTR M910	11T	32T	33T	MTB	66mm	STI	22T	8	222.5 g.	$79.99
Shimano XTR M950	-	-	-	MTB	-	STI	-	7 & 8	-	$109.99
Shimano XT  SGS Long Cage M-739	11T	32T	38T	MTB	86mm	STI	20T	8	-	$54.99
Shimano XT  SGS Long Cage M-737	11T	32T	38T	MTB	86mm	STI	20T	7 & 8	235 g.	$ 43.99
Shimano XT  GS Short Cage M-737	11T	28T	28T	MTB	56mm	STI	20T	8	-	$ 46.99
Shimano M567 Deore LX	11T	32T	38T	MTB	86mm	STI	20T	8		$ 44.99
Shimano M565 Deore LX	11T	32T	38T	MTB	86mm	STI	20T	7 & 8	291.5 g.	$ 37.99
Shimano STX-RC MC36 Long Cage	11T	32T	38T	MTB	86mm	SIS	20T	7 & 8	-	$ 24.99
Shimano STX-RC MC33 Long Cage	11T	32T	38T	MTB	86mm	SIS	20T	8	284.5 g.	$ 21.99