Comparison of hub gears

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

BrandModelIntroducedDiscontinuedSpeeds
(external)		Gear width
(with external)		 Ebike Max Power Max TorqueDirect DriveWeight (excluding
auxiliary components)		Intended
purpose
Bafang RG A510.S.D 2023 5 315.7% 3700g eFat
Bafang RG A310.S.D 2022 3 165.1% 80 Nm 1700g eCity / eTour
3x3 Nine 2022 9 554% 250 Nm 2000g eMTB, heavy cargo, commuter
Brompton BSR (fork from Sturmey Archer) 3 178%  ? g City
Brompton BWR[1][2] 2009 3(x2) 246% (302%) 940 g City
Enviolo City 2019 continuous 310% 250 W 55 Nm n/a 2450 g [3] City
Enviolo Trekking 2019 continuous 380% 250 W 85 Nm n/a 2450 g [3] City/Trekking
Enviolo Sportive 2019 continuous 380% 500 W 120 Nm n/a ? City/Trekking/Sport
Enviolo Cargo 2019 continuous 380% 500 W 80 Nm n/a ? City/Cargo
Enviolo Commercial 2019 continuous 310% 250 W 50 Nm n/a ? City
Fallbrook (Enviolo) NuVinci N380 2015 2018 continuous 380% n/a 2450 g[4] City
Fallbrook (Enviolo) NuVinci N360 2010 2014 continuous 360% n/a 2450 g[5] City
Fallbrook (Enviolo) Nuvinci N330 2015 2018 continuous 330% n/a 2450 g[5] City
Fallbrook (Enviolo) NuVinci N171 2007 2010 continuous 350% n/a 3850–3950 g City
Kindernay XIV 2016 14 543%[6] 160 Nm[6] 1400g raw cartridge[6] eMTB, heavy cargo, commuter
Kindernay VII 2021 7 428%[7] 160 Nm[7] 1200g raw cartridge, 1750g total system weight including SWAP and Hyseq Onesie[7] eMTB, heavy cargo, commuter
Rohloff AG Speedhub 500/14 1998 14 526% 130 Nm 11th gear 1700-1825 g[8] Sport/Touring/ Cargo/Tandem
Shimano Alfine Di2 SG-S7001-11 (SG-S7051-11) 2018[9] 11 409% ~5th gear

(0.995 ratio)

 1665 g[10] City, Sport, Touring
Shimano Alfine SG-S7000-8 (SG-S7001-8) 2014 (2017[9]) 8 307% 5th gear 1680 g[11] City
Shimano Alfine SG-700 2010 2017[9] 11 409% n/a 1600-1744 g[12][13][14] City, Sport
Shimano Alfine SG-500 2006 2016 (?)[15] 8 307% 1600 g City
Shimano Nexus Inter-8 8 307% 5th gear 1550-2040 g City
Shimano Nexus Inter-7 1995 7 244% 1465-1860 g City
Shimano Nexus Inter-5E 2019 5 263% 60 Nm 1st gear 1650 g e-bike
Shimano Nexus 4 Speed 4 184% 1st gear City
Shimano Nexus Inter-3 3 187% 2nd gear 1220 g City
SRAM (Sachs) Spectro E12 (Elan) 1995 1999 12 339% 3500-4000 g City
SRAM i-Motion 9 2005 2012 9 340% 2000g (w/o brake)-
2400g (with coaster brake)		 City
SRAM G8 2012 2015 8 260% 2088-2180 g [16][17] City
SRAM G9 2014 2015 9 292% 2088 g[17] City, Sport
SRAM (Sachs) Spectro S7 (Super 7) 1993 2010 7 303% (Super 7: 284%) 4th gear 1645-1826 g City
SRAM (Sachs) Spectro P5 (Pentasport),[18] P5 Cargo 1987 2010? [19] 5 224-251% 3rd gear City
SRAM (Sachs) Spectro T3/i-Motion 3/Torpedo Dreigang[18] 1970s 2017[20] 3 187% 2nd gear City
SRAM (Sachs) Neos/Spectro 3x7 1994 2000[21] 3(x7) 186% (434%) [22] City
SRAM (Sachs) Torpedo Duomatic/Automatic 2017[20] 2 136% City
Sturmey Archer XRF-8 (W), XRK-8 (W), XRD-8 (W) 2014 8 325% 1st Gear 1770-2170 g City/Folding
Sturmey Archer XRF-8, X-R[F/D/K]8 2007 2013 8 305% 1st Gear 1480-1600 g City
Sturmey Archer RX-RF5, RX-RD5, RX-RK5, RX-RC5, RXL-RD5, TS-RF5 2017 5 243% 3rd Gear 1905-2412 g City
Sturmey Archer S5,AT5,SAB,Sprinter-5,[S/X/XL]-R[C/D/F/K]5 1966 5 225-256% 1200-1760 g City
Sturmey Archer X-RF4, X-RK4, X-RD4 2018 4 210% 1st Gear 1160-1630 g City/Folding
Sturmey Archer F[C/M/G/W] 1935 1970 4 134-160%  ? g City
Sturmey Archer A[BC/T3], AW[C], S[C3/SAB], [S/X/XL]-R[F/S/F]3, SEARS 503.21[23] 1933 3 178% 2nd Gear 1000-1380 g City
Sturmey Archer [S/B]2[C] Duomatic[24] 2010 2 138% 930-1400 g City

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. "Enviolo Technical Manual CY 2022" (PDF). Enviolo.com. Retrieved 2022-07-26.
  4. "Nfinity N330/N380/N380SE - Products - nuvincicyling.com". Archived from the original on 2017-10-18. Retrieved 2016-07-29.
  5. "NuVinci N171 and N360". Hubstripping.wordpress.com. 9 October 2007. Retrieved 26 July 2022.
  6. "Kindernay XIV". Kindernay.com. Retrieved 2022-03-31.
  7. "Kindernay VII". Kindernay.com. Retrieved 2022-03-31.
  8. "Technical data: www.rohloff.de". Archived from the original on 2011-07-25. Retrieved 2013-03-15.
  9. "Most complete page about the Shimano Alfine Inter 11 Internal Gear hub". Bikeshed.johnhoogstrate.nl. Retrieved 2021-04-19.
  10. "SG-S7001-11". Bike.shimano.com. Retrieved 2021-04-19.
  11. "SG-S7000-8". Bike.shimano.com. Retrieved 2021-04-19.
  12. "Shimano Alfine 11-speed hub gear - Gear news - RoadCyclingUK". Archived from the original on 2010-07-09. Retrieved 2013-03-15.
  13. "Shimano Alfine 11". Hubstripping.wordpress.com. October 2010.
  14. "Shimano Alfine 11 hub gear and shifter". Road.cc. 30 November 2010.
  15. "SG501 internals in a SG-500 body?". Mountain Bike Reviews Forum. Retrieved 2021-04-19.
  16. "G8 | Sram". Archived from the original on 2013-01-23. Retrieved 2013-03-15.
  17. "SRAM G8 / G9 IGH2015 Frame Fit Specifications" (PDF). SRAM G8 / G9 Specification Manual. 2014. Archived (PDF) from the original on 2020-09-24. Retrieved 2021-04-19.
  18. Cycle A 2 B: Sachs 5 speed Torpedo Pentasport hub gear, 11 April 2011
  19. "TSR 2 --> TSR 5 mod". Bikeforums.net. Retrieved 26 July 2022.
  20. Frothingham, Steve. "SRAM ends sales of internal gear hubs". Bicycleretailer.com. Retrieved 21 September 2021.
  21. "Sachs and SRAM Internal-Gear Hubs". Sheldonbrown.com.
  22. "Archived copy" (PDF). Archived from the original (PDF) on 2015-04-12. Retrieved 2014-11-04.{{cite web}}: CS1 maint: archived copy as title (link)
  23. "Sears 3-speed model 503.21". Ratrodbikes.com. Retrieved 26 July 2022.
  24. S/A S2C Archived 2014-07-22 at the Wayback Machine 2010
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