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Front Derailleurs

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Manufacturer	Model	Year	Size	Claimed<	Real	±	Comments
B-T-P	Campagnolo Record	2004	braze-on	58 g	58 g	±0,00%	10-speed
B-T-P	Campagnolo Record	2005	braze-on	55 g	53.5 g	−2,73%	10-speed, averaged (53/54)
Campagnolo	Athena	1994	braze-on		102 g		8-speed
Campagnolo	Centaur	2003	braze-on	92 g	93 g	+1,09%	10-speed
Campagnolo	Centaur Triple	2003	braze-on	107 g	102 g	−4,67%	10-speed, for triple cranksets
Campagnolo	Chorus	2003	31.8 mm		101 g		10-speed(?)
Campagnolo	Chorus	2004	braze-on	74 g	76 g	+2,70%	10-speed
Campagnolo	Chorus	2005	31.8 mm		89 g		10-speed
Campagnolo	Chorus 11s	2010	31.8 mm		102 g		11-speed
Campagnolo	Chorus CT	2005	34.9 mm		93 g		10 speed, for compact crankset
Campagnolo	Chorus CT	2005	braze on	78 g	78 g	±0,00%	10-speed, for compact crankset
Campagnolo	Chorus Triple	2004	31.8 mm		114 g		10-speed
Campagnolo	Chorus Triple	2005	braze-on	98 g	97 g	−1,02%	10-speed
Campagnolo	Daytona	2002	34.9 mm		108 g		10-speed
Campagnolo	Record	1996	braze-on		93 g		8-speed, DP
Campagnolo	Record 10s	2002	braze-on	91 g	92 g	+1,10%	10-speed
Campagnolo	Record 10s	2004	28.6 mm		86 g		10-speed, for double chainrings
Campagnolo	Record 10s	2004	32 mm		88 g		10-speed, for double chainrings
Campagnolo	Record 10s	2004	34.9 mm		86 g		10-speed, for double chainrings
Campagnolo	Record 10s	2004	braze-on	69 g	69.5 g	+0,72%	10-speed, averaged (68/71)
Campagnolo	Record 10s	2005	braze-on	69 g	70 g	+1,45%	10-speed
Campagnolo	Record 11s	2009	braze-on	75 g	76 g	+1,33%
Campagnolo	Record CT	2005	32 mm		89 g		10-speed
Campagnolo	Record CT	2005	34.9 mm		89 g		10-speed
Campagnolo	Record CT	2005	braze-on	75 g	73 g	−2,67%	10-speed, averaged (72/74)
Campagnolo	Record CT QS	2007	braze-on	75 g	80 g	+6,67%	10-speed
Campagnolo	Record QS STD + CT	2008	braze-on	75 g	74 g	−1,33%
Campagnolo	Super Record 11s	2010	braze-on	72 g	70 g	−2,78%	11-speed
Falcon	Falcon	2001	28.6 mm		165 g		DP
FSA	C-16	2006	braze-on	89 g	90 g	+1,12%
Microshift	FD-R88 Arsis	2012	?	67 g	67 g	±0,00%	Braze on
Precision Billet	?	2002	???		126 g		TP/DP, no replaced bolts
Shimano	105 FD-1050	1987	28.6 mm		103 g		DS, DP
Shimano	105 FD-5500	2003	31.8 mm		97 g		claimed 84 g for braze-on
Shimano	105 FD-5600-F	2006	braze-on		88 g
Shimano	105 FD-5603-B	2007	31.8 mm		126 g		for triple cranksets
Shimano	105 SC (FD-1057)	1998	braze-on		122 g
Shimano	105 SC FD-1056-F	1995	braze-on		94.6 g
Shimano	Acera FD-M330	2002	31.8 mm		170 g		TP, TS
Shimano	Adamas AX	1982	28.6 mm		149 g		DP, DS
Shimano	Alivio	1998	34.9 mm		141 g		TP, TS
Shimano	Alivio	2001	34.9 mm		152 g		TP, TS
Shimano	Alivio FD-MC14	1996	28.6 mm	144 g	141 g	−2,08%	DP, TS
Shimano	Deore DX FD-M650	1993	28.6 mm	117 g	124 g	+5,98%	DP, DS
Shimano	Deore DX FD-M651	1993	31.8 mm	117 g	129 g	+10,26%	TP, DS
Shimano	Deore FD-M510	2003	34.9 mm	128 g	130 g	+1,56%	DualPull, TS
Shimano	Deore LX	1998	31.6 mm		130 g		DP
Shimano	Deore LX FD-M570	2000	31.8 mm		128 g
Shimano	Deore LX FD-M570	2000	34.9 mm		140 g		DP
Shimano	Deore LX FD-M570	2001	31.8 mm		125 g		DP, TS
Shimano	Deore LX FD-M570	2003	34.9 mm		125 g		DP, TS
Shimano	Deore LX FD-M570	2004	34.9 mm		125 g		DP, TS
Shimano	Deore LX FD-M570-E	2000	E-type		137 g		TS, DP
Shimano	Deore LX FD-M571	2002	31.8 mm	140 g	135 g	−3,57%	DS, TP or DP?
Shimano	Deore LX FD-M571	2004	34.9 mm		139 g		TP, DS
Shimano	Deore LX FD-M580	2005	34.9 mm	174 g	168 g	−3,45%	Dual Pull, TS, add 6.7 g for 31.8 mm and an additional 11.1 g for 28.6 mm shims
Shimano	Deore LX FD-M580-E	2006	E-Type	183 g	183 g	±0,00%	TS, Dual Pull
Shimano	Deore LX FD-M581	2005	31.8 mm	176 g	177 g	+0,57%	DP, DS
Shimano	Deore XT FD-M731	?	34.9 mm		137 g		TP
Shimano	Deore XT FD-M735	1990	28.6 mm		116 g		DP, DS
Shimano	Deore XT FD-M735	1994	34.9 mm		125 g		DP, tuned w/ 2 Ti bolts
Shimano	Deore XT FD-M737	?	31.8 mm		138.5 g		TP
Shimano	Deore XT FD-M737	?	34.9 mm		129 g		TP
Shimano	Deore XT FD-M737	1998	31.8 mm		135 g		DP, DS
Shimano	Deore XT FD-M737	1998	31.8 mm		130 g		TP
Shimano	Deore XT FD-M738	1998	28.6 mm		137 g		TP, DS, 8-speed
Shimano	Deore XT FD-M739	1996	31.8 mm		129 g		TP, TS
Shimano	Deore XT FD-M750	?	34.9 mm	123 g	124 g	+0,81%	TP, TS
Shimano	Deore XT FD-M750	2000	28.6 mm	123 g	124 g	+0,81%	?P, TS
Shimano	Deore XT FD-M750	2002	34.9 mm	123 g	125 g	+1,63%	TP, TS
Shimano	Deore XT FD-M750	2003	34.9 mm	123 g	124 g	+0,81%	TP, TS
Shimano	Deore XT FD-M750-E	?	E-Type	133 g	135 g	+1,50%	TP
Shimano	Deore XT FD-M750-E	2003	E-Type	133 g	138 g	+3,76%	TP
Shimano	Deore XT FD-M751	2002	31.8 mm	138 g	138 g	±0,00%	TP, DS
Shimano	Deore XT FD-M751	2002	34.9 mm	138 g	138 g	±0,00%	TP, DS
Shimano	Deore XT FD-M751	2003	34.9 mm	138 g	134 g	−2,90%	TP, DS
Shimano	Deore XT FD-M760	2004	34.9 mm	158 g	167.75 g	+6,17%	Dual Pull, TS, (+6 g for 31.8 mm insert), averaged (166.5/169)
Shimano	Deore XT FD-M761 (tuned)	2004	34.9 mm		165.2 g		Dual Pull, DS, tuned with Al bolts
Shimano	Deore XT FD-M770	2008	34.9 mm		149 g		Dual Pull, TS
Shimano	Deore XT FD-M771	2008	34.9 mm		160 g		DualPull ,TS, +3 g for 31.8 mm reducing shim
Shimano	Deore XT FD-M771	2010	34.9 mm	155 g	159 g	+2,58%	Dual Pull ,TS
Shimano	Dura-Ace Di2 FD-7970-F	2010	braze-on	124 g	122 g	−1,61%
Shimano	Dura-Ace FD-7400	1988	braze-on		90 g		DS, DP
Shimano	Dura-Ace FD-7410	1996	braze-on		91 g		clamp type is 97 g
Shimano	Dura-Ace FD-7700	2000	31.8 mm		83 g
Shimano	Dura-Ace FD-7700	2001	??? mm		82 g		w/ clamp
Shimano	Dura-Ace FD-7700-F	1999	braze-on	72.5 g	73 g	+0,69%
Shimano	Dura-Ace FD-7700-F	2001	braze-on	72.5 g	73 g	+0,69%	w/ bolts
Shimano	Dura-Ace FD-7703	2003	?? mm		134 g		band type, triple
Shimano	Dura-Ace FD-7703	2003	braze-on	103 g	103 g	±0,00%	9-speed, triple
Shimano	Dura-Ace FD-7800-BM	2004	31.8 mm		83 g		double, 10-speed
Shimano	Dura-Ace FD-7800-BM	2006	34.9 mm		81.5 g		double, 10-speed
Shimano	Dura-Ace FD-7800-F	2004	braze-on	74 g	71.5 g	−3,38%	double, 10-speed, averaged (70/73)
Shimano	Dura-Ace FD-7800-F	2005	34.9 mm		102 g		braze-on with SM-AD15 clamp
Shimano	Dura-Ace FD-7800-F	2005	braze-on	74 g	73 g	−1,35%	double, 10-speed
Shimano	Dura-Ace FD-7800-F	2006	braze-on	74 g	74 g	±0,00%	double, 10-speed
Shimano	Dura-Ace FD-7803-F	2008	braze-on		107 g		triple, 10-speed
Shimano	Dura-Ace FD-7900-B	2009	28.6 mm		78 g		double, 10-speed
Shimano	Dura-Ace FD-7900-F	2009	braze-on	67 g	66 g	−1,49%	double, 10-speed, averaged (66/66)
Shimano	Exage Country FD-M250	1988	28.6 mm		141 g		DS, DP
Shimano	Exage Motion FD-A250	1989	28.6 mm		126 g		DS, DP
Shimano	SM-AD11 braze-on clamp adapter	1999	?		27 g		31.8 mm clamp for braze-on derailleurs
Shimano	STX-RC	1998	34.9 mm		126 g		TP, BS
Shimano	Tiagra FD-4400	2001	31.8 mm		103 g
Shimano	Tourney FD-TZ30	2010	31.8 mm		160 g		DS
Shimano	TY-22	1997	34.9 mm		186 g		DP, TS
Shimano	Ultegra FD-6500	1998	28.6 mm		96 g
Shimano	Ultegra FD-6500	2003	28.6 mm		95 g
Shimano	Ultegra FD-6500	2003	braze-on	81 g	80 g	−1,23%	+30 g for 35 mm band adaptor
Shimano	Ultegra FD-6500	2004	31.8 mm		98 g
Shimano	Ultegra FD-6503	2003	31.8 mm		106 g		band type, triple
Shimano	Ultegra FD-6503	2004	braze-on		98 g		9-speed, triple
Shimano	Ultegra FD-6600-B	2005	31.8 mm	103 g	104 g	+0,97%
Shimano	Ultegra FD-6600-B	2006	31.8 mm	103 g	103.1 g	+0,10%
Shimano	Ultegra FD-6600-F	2005	braze-on	89 g	89 g	±0,00%
Shimano	Ultegra FD-6700-B	2010	31.8 mm	104 g	101 g	−2,88%
Shimano	Ultegra FD-6700-F	2010	braze-on	89 g	84.35 g	−5,22%	averaged (84/84.7)
Shimano	XTR	?	?		124 g
Shimano	XTR FD-M900	1994	34.9 mm		120 g		DP, w/ 2 Ti bolts
Shimano	XTR FD-M901	1992	31.8 mm		111 g		TP, DS
Shimano	XTR FD-M901	1998	34.9 mm		121 g		DS, TP
Shimano	XTR FD-M950	?	34.9 mm		109 g		DP
Shimano	XTR FD-M950-E	1998	E-Type		125 g		DP
Shimano	XTR FD-M952	2000	31.8 mm		115 g		DP, averaged (113/117)
Shimano	XTR FD-M952	2001	?		122 g		DP
Shimano	XTR FD-M952	2002	31.8 mm	117 g	117 g	±0,00%	DP, TS
Shimano	XTR FD-M952	2002	34.9 mm	117 g	115 g	−1,71%	DP, TS
Shimano	XTR FD-M952	2002	34.9 mm	117 g	112.5 g	−3,85%	TP, TS, averaged (111/114)
Shimano	XTR FD-M952-E	2000	E-Type	127 g	116 g	−8,66%	TS, DP(?)
Shimano	XTR FD-M952-E	2000	E-Type	127 g	123 g	−3,15%	TS, TP
Shimano	XTR FD-M952-E	2002	E-Type	127 g	123.5 g	−2,76%	TS, TP, averaged (123/124)
Shimano	XTR FD-M953 (tuned)	2002	34.9 mm		125 g		DS, TP, w/ Al bolts
Shimano	XTR FD-M960	2004	34.9 mm	132 g	130 g	−1,52%	Top Swing, Dual Pull
Shimano	XTR FD-M960	2005	31.8 mm	132 g	131 g	−0,76%	Top Swing, Dual Pull
Shimano	XTR FD-M960-E	2003	E-Type	145 g	145 g	±0,00%	Top Swing Dual Pull Front Derailleur (BB mount)
Shimano	XTR FD-M961	2003	?	148 g			Standard Link Type Dual Pull Front Derailleur
Shimano	XTR FD-M961	2003	34.9 mm	148 g	151 g	+2,03%	Down Swing, Dual Pull
Shimano	XTR FD-M961	2004	31.8 mm	148 g	148 g	±0,00%	Down Swing, Dual Pull
Shimano	XTR FD-M970	2007	31.8 mm		133 g		Top Swing, Dual Pull, incl. 31.8 mm adapter
Shimano	XTR FD-M970	2007	34.9 mm		126 g		Top Swing, Dual Pull, averaged (125/127)
Shimano	XTR FD-M970-E	2008	E-Type	142 g	143 g	+0,70%	Top Swing Dual Pull Front Derailleur (BB mount)
Shimano	XTR FD-M971	2007	34.9 mm		150 g		Down Swing, Dual Pull
SRAM	5	2000	34.9 mm		112 g		TP
SRAM	9	?	?		131 g
SRAM	Force	2007	31.8 mm	102 g	102 g	±0,00%
SRAM	Force	2007	34.9 mm	102 g	102 g	±0,00%
SRAM	Force	2007	braze-on	88 g	88 g	±0,00%
SRAM	Force	2007	braze-on	88 g	87.6 g	−0,45%	averaged (87/88/88)
SRAM	Force	2008	braze-on	88 g	83 g	−5,68%
SRAM	Force	2009	31.8 mm	102 g	101 g	−0,98%
SRAM	Quartz	?	31.8 mm		118 g		Dual Pull
SRAM	Red	2008	braze-on	58 g	70.6 g	+21,72%	averaged (70/70/72)
SRAM	Red	2010	braze-on	58 g	71 g	+22,41%
SRAM	Rival	2007	34.9 mm	102 g	101.5 g	−0,49%
SRAM	Rival	2007	braze-on	88 g	86.5 g	−1,70%	averaged (86/87)
SRAM	Rival	2008	34.9 mm	102 g	100 g	−1,96%
SRAM	Rival	2009	31.8 mm	102 g	100 g	−1,96%
SRAM	Rival	2009	braze-on	88 g	88 g	±0,00%
SRAM	X-Gen	2005	34.9 mm		182 g		DS, Dual Pull, (+4 g for 31.8 mm insert), averaged (181/183)
SRAM	XX	2010	34.9 mm	118 g	119 g	+0,85%	High Clamp, Top Pull
Suntour	Cyclone	1982	28.6 mm		102 g		DP, DS
Suntour	Seven	1977	28.6 mm		116 g		DP, DS