Comparison of hub gears explained

This page is a list of internal hub gears for bicycles.

BrandModelIntroducedDiscontinueddata-sort-type="number"Speeds
(external)		Gear width
(with external)		Ebike Max PowerMax TorqueDirect Drivedata-sort-type="number"Weight (excluding
auxiliary components)		Intended
purpose
BafangRG A510.S.D20235315.7%3700geFat
BafangRG A310.S.D20223165.1%80 Nm1700geCity / eTour
3x3Nine20229554%250 Nm2000geMTB, heavy cargo, commuter
BromptonBSR (fork from Sturmey Archer)3178%? gCity
BromptonBWR[1] [2] 20093(x2)246% (302%)940 gCity
EnvioloCity2019continuous310%250 W55 Nmn/a2450 g [3] City
EnvioloTrekking2019continuous380%250 W85 Nmn/a2450 g City/Trekking
EnvioloSportive2019continuous380%500 W120 Nmn/a?City/Trekking/Sport
EnvioloCargo2019continuous380%500 W80 Nmn/a?City/Cargo
EnvioloCommercial2019continuous310%250 W50 Nmn/a?City
Fallbrook (Enviolo)NuVinci N38020152018continuous380%n/a2450 g[4] City
Fallbrook (Enviolo)NuVinci N36020102014continuous360%n/a2450 g[5] City
Fallbrook (Enviolo)Nuvinci N33020152018continuous330%n/a2450 gCity
Fallbrook (Enviolo)NuVinci N17120072010continuous350%n/a3850–3950 gCity
KindernayXIV201614543%[6] 160 Nm1400g raw cartridgeeMTB, heavy cargo, commuter
KindernayVII20217428%[7] 160 Nm1200g raw cartridge, 1750g total system weight including SWAP and Hyseq OnesieeMTB, heavy cargo, commuter
Rohloff AGSpeedhub 500/14199814526%130 Nm11th gear1700-1825 g[8] Sport/Touring/ Cargo/Tandem
ShimanoAlfine Di2 SG-S7001-11 (SG-S7051-11)2018[9] 11409%~5th gear(0.995 ratio)1665 g[10] City, Sport, Touring
ShimanoAlfine SG-S7000-8 (SG-S7001-8)2014 (2017)8307%5th gear1680 g[11] City
ShimanoAlfine SG-7002010201711409%n/a1600-1744 g[12] [13] [14] City, Sport
ShimanoAlfine SG-50020062016 (?)[15] 8307%1600 gCity
ShimanoNexus Inter-88307%5th gear1550-2040 gCity
ShimanoNexus Inter-719957244%1465-1860 gCity
ShimanoNexus Inter-5E20195263%60 Nm1st gear1650 ge-bike
ShimanoNexus 4 Speed4184%1st gearCity
ShimanoNexus Inter-33187%2nd gear1220 gCity
SRAM (Sachs)Spectro E12 (Elan)1995199912339%3500-4000 gCity
SRAMi-Motion 9200520129340%2000g (w/o brake)-
2400g (with coaster brake)		City
SRAMG8201220158260%2088-2180 g [16] [17] City
SRAMG9201420159292%2088 gCity, Sport
SRAM (Sachs)Spectro S7 (Super 7)199320107303% (Super 7: 284%)4th gear1645-1826 gCity
SRAM (Sachs)Spectro P5 (Pentasport),[18] P5 Cargo19872010? [19] 5224-251%3rd gearCity
SRAM (Sachs)Spectro T3/i-Motion 3/Torpedo Dreigang1970s2017[20] 3187%2nd gearCity
SRAM (Sachs)Neos/Spectro 3x719942000[21] 3(x7)186% (434%) [22] City
SRAM (Sachs)Torpedo Duomatic/Automatic20172136%City
Sturmey ArcherXRF-8 (W), XRK-8 (W), XRD-8 (W)20148325%1st Gear1770-2170 gCity/Folding
Sturmey ArcherXRF-8, X-R[F/D/K]8200720138305%1st Gear1480-1600 gCity
Sturmey ArcherRX-RF5, RX-RD5, RX-RK5, RX-RC5, RXL-RD5, TS-RF520175243%3rd Gear1905-2412 gCity
Sturmey ArcherS5,AT5,SAB,Sprinter-5,[S/X/XL]-R[C/D/F/K]519665225-256%1200-1760 gCity
Sturmey ArcherX-RF4, X-RK4, X-RD420184210%1st Gear1160-1630 gCity/Folding
Sturmey ArcherF[C/M/G/W]193519704134-160%? gCity
Sturmey ArcherA[BC/T3], AW[C], S[C3/SAB], [S/X/XL]-R[F/S/F]3, SEARS 503.21[23] 19333178%2nd Gear1000-1380 gCity
Sturmey Archer[S/B]2[C] Duomatic[24] 20102138%930-1400 gCity

Notes and References

  1. Emerson Roberts: Brompton product announced 2009, Foldabikes.com
  2. Richard Peace: Brompton wide ratio hub gear announced, Bikeradar.com, 30 Oct 2008
  3. Web site: Enviolo Technical Manual CY 2022. Enviolo.com. 2022-07-26.
  4. Web site: Nfinity N330/N380/N380SE - Products - nuvincicyling.com . 2016-07-29 . 2017-10-18 . https://web.archive.org/web/20171018212655/http://www.nuvincicycling.com/en/products/nfinity.html . dead .
  5. Web site: NuVinci N171 and N360. Hubstripping.wordpress.com. 9 October 2007. 26 July 2022.
  6. Web site: Kindernay XIV. Kindernay.com. en-US. 2022-03-31.
  7. Web site: Kindernay VII. Kindernay.com. en-US. 2022-03-31.
  8. Web site: Technical data: www.rohloff.de . 2013-03-15 . 2011-07-25 . https://web.archive.org/web/20110725110901/http://www.rohloff.de/en/technology/speedhub/technical_data/index.html . dead .
  9. Web site: Most complete page about the Shimano Alfine Inter 11 Internal Gear hub. 2021-04-19. Bikeshed.johnhoogstrate.nl.
  10. Web site: SG-S7001-11. 2021-04-19. Bike.shimano.com.
  11. Web site: SG-S7000-8. 2021-04-19. Bike.shimano.com.
  12. Web site: Shimano Alfine 11-speed hub gear - Gear news - RoadCyclingUK . 2013-03-15 . 2010-07-09 . https://web.archive.org/web/20100709202615/http://www.roadcyclinguk.com/gear-news/shimano-alfine-11-speed-hub-gear/4896.html . dead .
  13. Web site: Shimano Alfine 11. Hubstripping.wordpress.com. October 2010.
  14. Web site: Shimano Alfine 11 hub gear and shifter. Road.cc. 30 November 2010.
  15. Web site: SG501 internals in a SG-500 body?. 2021-04-19. Mountain Bike Reviews Forum. en-US.
  16. Web site: G8 | Sram . 2013-03-15 . dead . https://web.archive.org/web/20130123210451/http://www.sram.com/sram/urban/products/g8 . 2013-01-23 .
  17. Web site: 2014. SRAM G8 / G9 IGH2015 Frame Fit Specifications. live. 2021-04-19. SRAM G8 / G9 Specification Manual. https://web.archive.org/web/20200924193234/https://www.servicearchive.sram.com/sites/default/files/techdocs/gen.0000000004677_rev_a_2015_g8g9_frame_fit_specs.pdf . 2020-09-24 .
  18. Cycle A 2 B: Sachs 5 speed Torpedo Pentasport hub gear, 11 April 2011
  19. Web site: TSR 2 --> TSR 5 mod. Bikeforums.net. 26 July 2022.
  20. Web site: Frothingham . Steve . SRAM ends sales of internal gear hubs . Bicycleretailer.com . 21 September 2021.
  21. Web site: Sachs and SRAM Internal-Gear Hubs. Sheldonbrown.com.
  22. Web site: Archived copy . 2014-11-04 . 2015-04-12 . https://web.archive.org/web/20150412110302/http://www.greenspeed.com.au/pdfs/sachs_3x7.pdf . dead .
  23. Web site: Sears 3-speed model 503.21. Ratrodbikes.com. 26 July 2022.
  24. S/A S2C 2010

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