|
|
Highlight effect |
 | Shop for entries at our sponsor | |
Entries per page
|
| Submit a weight in this category |
|
Weight
|
|
|
Manufacturer |
|
|
Model |
|
|
Year |
|
|
Claimed |
|
|
Real |
|
|
± |
|
|
Comments |
|
|
 |
|
|
| Fibre-Lyte | | | Campagnolo Record/Chorus inner cage plate | | | 2004 | | | 6 g | | | 6 g | | | ±0,00% | | | 9/10-speed carbon fibre, 55 mm pulley centres | | |  | |
|
Fibre-Lyte | Shimano Dura-Ace/Ultegra inner cage plate | 2003 | 6 g | 6 g | ±0,00% | 9-speed, carbon fibre, 49.4 mm pulley centres | |
|
DMR | Tension Seeker | 2003 | 91 g | 92 g | +1,10% | singlespeed tensioner w/ alloy pulley | |
|
Paul | Melvin (singlespeed tensioner) | 2003 | | 101 g | | silver non-anodize color (sure?), incl. all hardware | |
|
Rohloff | Kettenspanner 8250 (chain tensioner) | 2001 | 110 g | 106 g | −3,64% | spacers +2 g; weight claim is for '03 model | |
|
Surly | Singulator | 2001 | | 107 g | | chain tensioner for singlespeed | |
|
DMR | STS Simple Tension Seeker | 2007 | 103 g | 118 g | +14,56% | | |
|
CarbonSports | Lightweight RD | 2008 | 120 g | 122 g | +1,67% | shifts not really good compared to Campy or Shimano | |
|
Surly | Singulator | 2004 | | 124 g | | chain tensioner for singlespeed | |
 |
SRAM | Red | 2010 | 153 g | 143 g | −6,54% | | |
|
SRAM | Red | 2008 | 153 g | 146 g | −4,58% | | |
|
Shimano | Dura-Ace RD-7900-SS | 2009 | 166 g | 165.5 g | −0,30% | averaged (165/166) | |
|
Tiso | Sereo 130 | 2007 | 167 g | 167 g | ±0,00% | | |
|
Suntour | Cyclone M-II | 1985 | | 170 g | | | |
|
Mavic | SSC 851 | 1986 | 165 g | 171 g | +3,64% | non-indexed, dark grey ano., held together w/ circlips, cartridge bearing pulleys, adjustable lower cage | |
|
Suntour | Cyclone M-II GT | 1984 | | 172 g | | Friction derailleur, long cage touring model | |
|
Shimano | Dura-Ace RD-7800-SS (tuned) | 2004 | | 173 g | | w/ SRP Al bolt kit (hanger, pulleys, cable clamp) | |
|
Campagnolo | Super Record 11s | 2010 | 172 g | 174 g | +1,16% | | |
|
SRAM | Force | 2010 | 178 g | 174 g | −2,25% | | |
|
Suntour | Cyclone | 1980 | | 175 g | | This is a 1973 model | |
|
Precision Billet | Proshift | 2002 | | 176 g | | 67 mm (year correct?) | |
|
Shimano | Dura-Ace RD-7800-SS (tuned) | 2005 | | 176 g | | w/ SRP Al bolt kit | |
|
Tiso | Sereo 130 | 2003 | 177 g | 177 g | ±0,00% | | |
|
Precision Billet | Proshift MK2 | 2003 | | 178 g | | | |
|
SRAM | Force | 2007 | 176 g | 178 g | +1,14% | averaged (178/178/178) | |
|
Tiso | Altore 366 | 2003 | 179 g | 179 g | ±0,00% | dry weight, + 1 g for grease | |
|
Precision Billet | Proshift | ? | | 180 g | | | |
|
Shimano | XTR RD-M972-GS | 2008 | 180 g | 180 g | ±0,00% | medium cage, Shadow type | |
|
Campagnolo | Record 11s | 2009 | 179 g | 180 g | +0,56% | | |
|
Shimano | XTR RD-M972-SGS | 2008 | 182 g | 181 g | −0,55% | long cage, Shadow type | |
|
Shimano | Dura-Ace RD-7800-SS | 2004 | 180 g | 181.1 g | +0,61% | 9/10-speed compatible, averaged (180/180.5/181/181.6/181.66/182) | |
|
SRAM | ESP 9.0 SL | 1998 | 182 g | 182 g | ±0,00% | short cage | |
|
Shimano | Dura-Ace RD-7800-SS | 2007 | 180 g | 182.4 g | +1,33% | averaged (182/182.8) | |
|
Shimano | Dura-Ace RD-7800-SS | 2005 | | 182.6 g | | averaged (180/182/186) | |
|
Campagnolo | Record 10s | 2005 | 184 g | 185 g | +0,54% | short cage, 10-speed | |
|
Campagnolo | Record 10s | 2004 | 184 g | 185.5 g | +0,82% | short cage, 10-speed, averaged (184/185/186/187) | |
|
Campagnolo | Record 10s | 2004 | 193 g | 186 g | −3,63% | medium cage, 10-speed | |
|
Paul | CNC rear derailleur | 1995 | | 186 g | | | |
|
Shimano | Ultegra RD-6700-SS | 2012 | 189 g | 186 g | −1,59% | 10 speed short cage | |
|
Campagnolo | Record 10s | 2001 | | 187 g | | short cage, 10-speed | |
|
SRAM | ESP 9.0 SL | 1999 | 182 g | 187 g | +2,75% | short cage | |
|
Campagnolo | Record 10s | 2008 | 184 g | 187 g | +1,63% | short cage, 10-speed | |
|
Campagnolo | Record 10s | 2005 | 193 g | 188 g | −2,59% | medium cage, 10-speed, averaged (188/188) | |
|
Campagnolo | Record 10s | 2007 | 184 g | 188 g | +2,17% | short cage, 10-speed | |
|
Campagnolo | Super Record | 1983 | | 188 g | | | |
|
SRAM | Rival | 2007 | 188 g | 189 g | +0,53% | | |
|
Shimano | Ultegra RD-6700-SS | 2010 | 190 g | 189.4 g | −0,32% | short cage | |
|
Shimano | Dura-Ace RD-7800-GS | 2005 | 192 g | 190 g | −1,04% | long cage for triple | |
|
Shimano | XTR RD-M952-GS (tuned) | 2001 | | 192 g | | short cage (Ti cable clamp bolt, Al Pivot & pulley bolts) | |
|
Campagnolo | Record 10s | 2002 | 187 g | 192 g | +2,67% | short cage, 10-speed | |
|
Sachs | Plasma | 1998 | | 192 g | | long cage | |
|
Shimano | 600 Arabesque | 1980 | | 192 g | | | |
|
Tiso | Venda | ? | | 193 g | | | |
|
SRAM | Plasma | ? | | 193 g | | averaged (192/194) | |
|
SRAM | ESP 9.0 SL | 1999 | 198 g | 193 g | −2,53% | long cage, fake carbon body | |
|
Shimano | Santé RD-5001 | 1988 | | 193 g | | short cage | |
|
SRAM | X.O | 2006 | | 194 g | | Carbon, medium cage | |
|
Microshift | RD-R69SC | 2012 | 190 g | 194 g | +2,11% | Carbon cage model | |
|
Shimano | XTR RD-M952-GS (tuned) | 2002 | | 194.8 g | | Al cable clamp, fixing bolt and pulley bolts, Fibre Lyte carbon inner plate, drilled pulleys | |
|
Shimano | Dura-Ace RD-7700 | 2001 | 195 g | 195 g | ±0,00% | max 27T. | |
|
Shimano | Dura-Ace RD-7700 | 1999 | 195 g | 195 g | ±0,00% | | |
|
Shimano | Dura-Ace RD-7700 | 2003 | 195 g | 196 g | +0,51% | max. 27T. | |
|
Campagnolo | Record 10s | 2003 | 193 g | 196 g | +1,55% | medium cage, 10-speed | |
|
Shimano | XTR RD-M971-GS | 2007 | | 196.8 g | | short cage, top normal, averaged (196.5/197/197) | |
|
Shimano | Dura-Ace RD-7700 | 2002 | 195 g | 197 g | +1,03% | max 27T. | |
|
SRAM | ESP 9.0 SL | ? | | 198 g | | | |
|
Shimano | XTR RD-M960-GS | 2003 | 198 g | 198 g | ±0,00% | Low Normal Rear Derailleur, averaged (197/198/199) | |
|
Shimano | XTR RD-M971-SGS | 2007 | | 198 g | | long cage, top normal, averaged (197/199) | |
|
Shimano | XTR RD-M960-GS | 2004 | 198 g | 199 g | +0,51% | short cage | |
|
Shimano | XTR RD-M970-SGS | 2007 | 199 g | 199 g | ±0,00% | long cage, low normal | |
|
SRAM | Quarz | ? | | 200 g | | | |
|
Shimano | XTR RD-M960-SGS | 2003 | | 200 g | | long cage | |
|
SRAM | X.O | 2003 | 200 g | 200 g | ±0,00% | medium cage | |
|
Shimano | XTR RD-M950 | 1997 | | 200 g | | pulleys and cable bolts tuned | |
|
Shimano | Ultegra RD-6700-GS | 2010 | 199 g | 200 g | +0,50% | long cage | |
|
Suntour | Superbe Pro 8s | 1989 | | 201 g | | short cage, year is 1989 or later | |
|
Shimano | 600 RD-6207 | 1984 | | 201 g | | short cage | |
|
Shimano | Ultegra SL RD-6600G-SS | 2009 | | 201 g | | short cage | |
|
Campagnolo | Chorus 10s | 2004 | 202 g | 203 g | +0,50% | short cage, 10-speed, averaged (200/206) | |
|
Shimano | XTR RD-M960-SGS | 2005 | | 203 g | | long cage, averaged (202/204) | |
|
Shimano | XTR RD-M960-SGS | 2004 | | 203 g | | long cage | |
|
suntour | Vx | 1980 | | 203 g | | Short cage | |
|
SRAM | X.0 | 2002 | 208 g | 204 g | −1,92% | long cage, avrg (206/210) | |
|
Campagnolo | Record 10s | 2003 | 205 g | 204 g | −0,49% | long cage, 10-speed | |
|
Campagnolo | Chorus 10s | 2005 | 202 g | 204 g | +0,99% | short cage, 10-speed, averaged (203/205) | |
|
Shimano | XTR RD-M952-GS (tuned) | 2001 | | 205 g | | short cage (Ti & Al bolts) | |
|
SRAM | X.O | 2004 | 200 g | 205 g | +2,50% | medium cage, averaged (204/206) | |
|
Shimano | Ultegra RD-6600-SS | 2005 | 209 g | 205 g | −1,91% | short cage | |
|
Shimano | Ultegra RD-6600-SS | 2006 | 209 g | 206 g | −1,44% | short cage | |
|
SRAM | X.9 | 2007 | 212 g | 206 g | −2,83% | short cage | |
|
Shimano | Ultegra RD-6600-SS | 2007 | 209 g | 206 g | −1,44% | short cage | |
|
Shimano | XTR RD-M952-GS | 1999 | 207 g | 207 g | ±0,00% | short cage | |
|
SRAM | Plasma D.I.R.T. | 2001 | | 207 g | | | |
|
Shimano | Dura-Ace RD-7410 | 1996 | | 207 g | | 8 speed, max 26T. | |
|
Shimano | XTR RD-M953-SGS | 1999 | 207 g | 207 g | ±0,00% | long cage, Rapid Rise | |
|
Shimano | XTR RD-M950-GS | 1997 | | 207 g | | short cage | |
|
SRAM | X.O | 2005 | 204 g | 207.5 g | +1,72% | medium cage, averaged (207/208) | |
|
Campagnolo | Record | 1990 | | 208 g | | 6/7-speed | |
|
Shimano | Dura-Ace RD-7401 | 1987 | | 209 g | | | |
|
Shimano | XTR RD-M952-GS | 2002 | | 210 g | | short cage | |
|
SRAM | X.O | 2003 | 210 g | 210.5 g | +0,24% | long cage, averaged (210/211) | |
|
Shimano | XTR RD-M952-GS | 2000 | 207 g | 211 g | +1,93% | short cage | |
|
SRAM | X.O | 2004 | 210 g | 211 g | +0,48% | long cage, averaged (210/212) | |
|
Campagnolo | Chorus 10s | 2003 | 209 g | 212 g | +1,44% | short cage, 10-speed, using a Fiberlyte back plate saves 4 g | |
|
Suntour | Vx-S | 1980 | | 213 g | | This 1979 derailleur has a mid-length cage | |
|
Shimano | XTR RD-M900 | 1993 | | 214 g | | medium cage, tuned w/ Al mounting bolt | |
|
Suntour | Cyclone 7000 | 1986 | | 214 g | | | |
|
Shimano | UItegra RD-6500-SS | 1998 | 215 g | 216 g | +0,47% | short cage | |
|
Shimano | Deore XT RD-M750-GS (tuned) | 2002 | | 217 g | | short cage, fixing bolt replaced w/ SRP Al bolt | |
|
Shimano | Ultegra RD-6600-GS | 2008 | 219 g | 217 g | −0,91% | long cage | |
|
Shimano | Ultegra RD-6500-SS | 2003 | 215 g | 217.1 g | +0,98% | short cage, max. 27T., averaged (216.2/218) | |
|
Shimano | Ultegra RD-6500-SS | 2001 | 215 g | 218 g | +1,40% | short cage, max. 27T. | |
|
Shimano | Deore RD-DE10 | 1982 | | 218 g | | middle cage | |
|
Shimano | XTR RD-M910 | 1995 | | 219 g | | averaged (218/220) | |
|
SRAM | X.9 | 2007 | | 219.87 g | | medium cage, manufactured 09 May 07, Mettler PM2000 balance | |
|
Shimano | 105 RD-5600-SS | 2009 | 221 g | 220 g | −0,45% | short cage, max 27 T. | |
|
Shimano | Dura-Ace Di2 RD-7970 | 2010 | 225 g | 221 g | −1,78% | | |
|
Shimano | Deore XT RD-M772-GS | 2008 | 227 g | 223 g | −1,76% | medium cage | |
|
Shimano | Deore XT RD-M737 (tuned) | 1994 | | 224 g | | tuned w/ Al hanger bolt | |
|
Shimano | Ultegra RD-6500-GS | 2004 | 221 g | 225 g | +1,81% | long cage | |
|
Shimano | Deore XT RD-M772-SGS | 2008 | | 225.5 g | | long cage, Shadow type, averaged (225/226) | |
|
Campagnolo | Daytona | 2002 | | 226 g | | short cage, 9-speed | |
|
Campagnolo | Centaur 10s | 2003 | | 226.8 g | | short cage, 10-speed | |
|
Shimano | 105 RD-5501-SSL | 2004 | 228 g | 229 g | +0,44% | short cage, black | |
|
Shimano | 105 RD-5500-GS | 2003 | 232 g | 229 g | −1,29% | long cage | |
|
Campagnolo | Centaur 10s | 2003 | 229 g | 230 g | +0,44% | medium cage, 10-speed | |
|
Shimano | Deore XT RD-M760-GS | 2004 | 232 g | 230 g | −0,86% | short cage | |
|
Shimano | Saint RD-M810-SS | 2009 | 240 g | 230 g | −4,17% | | |
|
Shimano | Deore XT RD-M760-GS | 2005 | 232 g | 231 g | −0,43% | short cage | |
|
Shimano | XTR RD-M952-SGS | 1999 | | 233 g | | long cage | |
|
Shimano | XTR RD-M952-SGS | 2002 | | 235.75 g | | long cage, averaged (234/235/236/238) | |
|
Shimano | XTR RD-M952-SGS | 2000 | | 236 g | | long cage | |
|
SRAM | X.9 | 2005 | | 237.3 g | | medium cage, averaged (236/236/240) | |
|
Shimano | 105 RD-1051 | 1987 | | 238 g | | short cage | |
|
Sachs | Quartz | 1998 | | 239 g | | | |
|
SRAM | ESP 4.0 | 2001 | | 239 g | | long cage, averaged (237/241) | |
|
SRAM | X.9 | 2006 | 238 g | 239 g | +0,42% | long cage | |
|
Shimano | Deore XT RD-M737 | 1994 | | 240 g | | long cage | |
|
Mavic | ZAP | 1996 | | 241 g | | 319 g total weight incl. electronic shifters and batteries | |
|
Shimano | Deore XT RD-M750-GS | 2000 | 245 g | 242 g | −1,22% | | |
|
SRAM | X.9 | 2005 | | 244.5 g | | long cage, averaged (243/246) | |
|
Shimano | Deore XT | ? | | 245 g | | | |
|
Shimano | Deore XT RD-M750-SGS | 2003 | 255 g | 246 g | −3,53% | long cage | |
|
Campagnolo | Record | 1996 | | 247 g | | 8-speed | |
|
Shimano | Deore XT RD-M750-SGS | 1999 | 255 g | 247 g | −3,14% | long cage | |
|
SRAM | ESP 9.0 SL | 2001 | | 248 g | | | |
|
SRAM | X.9 | 2004 | | 248.5 g | | medium cage, averaged (245/252) | |
|
Shimano | Deore LX | 1998 | | 249 g | | short cage(?) | |
|
Shimano | Deore XT | 1998 | | 249 g | | | |
|
Campagnolo | Veloce 10s | 2007 | 250 g | 249 g | −0,40% | short cage, 10-speed | |
|
SRAM | ESP 9.0 SL medium cage | 2002 | | 250 g | | | |
|
SRAM | ESP 7.0 | 2002 | | 253 g | | | |
|
Shimano | Deore XT RD-M750-SGS | 2002 | 255 g | 255 g | ±0,00% | long cage | |
|
Shimano | Deore II RD-MT62 | 1989 | | 255 g | | Short Cage | |
|
Shimano | 105 RD-1050 | 1987 | | 257 g | | short cage | |
|
Campagnolo | Xenon | 2004 | 254 g | 257 g | +1,18% | short cage, 9-speed | |
|
Shimano | Tiagra RD-4500-SS | 2007 | | 257 g | | | |
|
SRAM | ESP 9.0 | 2001 | | 258 g | | | |
|
Campagnolo | Athena | 1994 | | 258 g | | short cage, 8-speed | |
|
SRAM | X.9 | 2004 | 255 g | 260 g | +1,96% | long cage | |
|
Campagnolo | Xenon 9s | 2004 | 263 g | 261 g | −0,76% | long cage, 9-speed, not 100% sure of year | |
|
Shimano | SLX RD-M662-SGS | 2008 | 258 g | 261.5 g | +1,36% | averaged (261/262) | |
|
Suntour | XC 9010 Accushift | 1989 | | 264 g | | long cage | |
|
SRAM | ESP 9.0 | 2003 | | 265 g | | | |
|
Shimano | Deore XT RD-M760-SGS | 2004 | | 265.25 g | | long cage, averaged (263/265/266/267) | |
|
Shimano | Deore XT RD-M761-SGS | 2007 | 265 g | 266.6 g | +0,60% | long cage, averaged (266/267/267) | |
|
SRAM | X.7 | 2004 | | 268 g | | long cage | |
|
SRAM | X.7 | 2007 | 270 g | 268 g | −0,74% | long cage | |
|
SRAM | X.7 | 2005 | 275 g | 270 g | −1,82% | long cage | |
|
Shimano | Acera X | 1997 | | 271 g | | long cage | |
|
Shimano | Exage Motion RD-A250 | 1989 | | 271 g | | short cage | |
|
Shimano | Sky Lark | 1967 | | 273 g | | short cage, incl. integrated derailleur hanger, from late 60s | |
|
Shimano | Alivio RD-MC14 | 1996 | 280 g | 279 g | −0,36% | long cage | |
|
Shimano | Deore LX | 1998 | | 281 g | | long cage | |
|
SR Suntour | RD-Durolux-SGX | 2005 | | 281 g | | compatible w/ Shimano & ESP, pulleys 13T/15T, capacity 45T | |
|
Shimano | Altus C10 RD-CT10-SGS | 1993 | | 282 g | | long cage | |
|
Shimano | Tiagra RD-4400-GS | 2003 | 280 g | 283 g | +1,07% | long cage, 9 -peed for road triples | |
|
SRAM | ESP 7.0 | 2000 | | 286 g | | long cage | |
|
Shimano | Deore LX RD-M570 | 1999 | | 288 g | | long | |
|
Shimano | 2200 RD-2200 | 2002 | | 288 g | | 8-speed | |
|
Shimano | STX-RC RD-MC38 | 1997 | | 292 g | | long cage | |
|
Shimano | Capreo RD-F700 | 2004 | | 292 g | | 9-speed, 86 mm cage | |
|
Shimano | Tourney 10 | 1988 | | 294 g | | short cage | |
|
Shimano | Deore RD-M510 | 2001 | 300 g | 296 g | −1,33% | long cage, black | |
|
Suntour | NCX-600 | 2001 | | 297 g | | | |
|
Shimano | Deore RD-M510 | 2003 | 300 g | 300 g | ±0,00% | long cage | |
|
Shimano | Deore RD-M510-L | 2004 | 300 g | 301 g | +0,33% | long cage | |
|
Suntour | Seven | 1977 | | 308 g | | short cage | |
|
Shimano | Deore LX RD-M580-SGS | 2005 | 311 g | 308 g | −0,96% | long cage | |
|
Shimano | Deore DX RD-M650-SGS | 1993 | 320 g | 310 g | −3,13% | long cage | |
|
Shimano | Alivio RD-M410 | 2007 | | 312 g | | averaged (312/312) | |
|
Shimano | Exage 300LX RD-M300-SGS | 1991 | | 317 g | | long cage | |
|
Shimano | Deore RD-M530 | 2007 | 316 g | 317.5 g | +0,47% | averaged (317/318) | |
|
Shimano | Mountain LX RD-M452 | 1989 | 320 g | 319 g | −0,31% | SGS Super Long Cage | |
|
SRAM | ESP 5.0 | 2002 | | 320 g | | | |
|
Shimano | Altus RD-CT95 | 2007 | | 325 g | | averaged (324/326) | |
|
Shimano | Acera RD-M340-L | 2004 | | 338 g | | long cage, 7/8-speed, black | |
|
Shimano | Deore XT RD-M750-GS | 2002 | 245 g | | | short cage | |
|
Shimano | Deore RD-M510-L | 2002 | 300 g | | | long cage | |
|
Shimano | Deore LX RD-M570 | 2002 | 288 g | | | long cage | |
|
Shimano | Tiagra RD-4400-SS | 2003 | 265 g | | | for double crank | |
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
|
|
|
