Comparison of hub gears

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

Brand | Model | Introduced | Discontinued | Speeds
(external) | Gear width
(with external)  | Ebike Max Power  | Max Torque | Direct Drive | Weight (excluding
auxiliary components) | Intended
purpose

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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. ↑ 3.0 3.1 "Enviolo Technical Manual CY 2022". https://enviolo.com/wp-content/uploads/Technical-Manual-enviolo-CY2022-May-2022.pdf.
4. ↑ "Nfinity N330/N380/N380SE - Products - nuvincicyling.com". http://www.nuvincicycling.com/en/products/nfinity.html.
5. ↑ 5.0 5.1 "NuVinci N171 and N360". 9 October 2007. https://hubstripping.wordpress.com/atc-nuvinci/.
6. ↑ 6.0 6.1 6.2 "Kindernay XIV" (in en-US). https://kindernay.com/products/complete-gear-hub/product-landing-kindernay-xiv/.
7. ↑ 7.0 7.1 7.2 "Kindernay VII" (in en-US). https://kindernay.com/products/complete-gear-hub/kindernay-vii/.
8. ↑ "Technical data: www.rohloff.de". http://www.rohloff.de/en/technology/speedhub/technical_data/index.html.
9. ↑ 9.0 9.1 9.2 "Most complete page about the Shimano Alfine Inter 11 Internal Gear hub". https://bikeshed.johnhoogstrate.nl/bicycle/drivetrain/shimano_alfine_inter_11/.
10. ↑ "SG-S7001-11". https://bike.shimano.com/en-EU/product/component/alfine-s7000s700/SG-S7001-11.html.
11. ↑ "SG-S7000-8". https://bike.shimano.com/en-EU/product/component/alfine-s7000s700/SG-S7000-8.html.
12. ↑ "Shimano Alfine 11-speed hub gear - Gear news - RoadCyclingUK". http://www.roadcyclinguk.com/gear-news/shimano-alfine-11-speed-hub-gear/4896.html.
13. ↑ "Shimano Alfine 11". October 2010. http://hubstripping.wordpress.com/alfine-shimano/alfine-11/.
14. ↑ "Shimano Alfine 11 hub gear and shifter". 30 November 2010. http://road.cc/content/review/27971-shimano-alfine-11-hub-and-shifter.
15. ↑ "SG501 internals in a SG-500 body?" (in en-US). https://www.mtbr.com/threads/sg501-internals-in-a-sg-500-body.1003496/.
16. ↑ "G8 | Sram". Archived from the original. Error: If you specify `|archiveurl=`, you must also specify `|archivedate=`. https://web.archive.org/web/20130123210451/http://www.sram.com/sram/urban/products/g8.
17. ↑ 17.0 17.1 "SRAM G8 / G9 IGH2015 Frame Fit Specifications". 2014. https://www.servicearchive.sram.com/sites/default/files/techdocs/gen.0000000004677_rev_a_2015_g8g9_frame_fit_specs.pdf.
18. ↑ 18.0 18.1 Cycle A 2 B: Sachs 5 speed Torpedo Pentasport hub gear, 11 April 2011
19. ↑ "TSR 2 --> TSR 5 mod". https://www.bikeforums.net/folding-bikes/781365-tsr-2-tsr-5-mod.html.
20. ↑ 20.0 20.1 Frothingham, Steve. "SRAM ends sales of internal gear hubs". https://www.bicycleretailer.com/international/2017/02/15/sram-ends-sales-internal-gear-hubs.
21. ↑ "Sachs and SRAM Internal-Gear Hubs". http://sheldonbrown.com/sachs-internal.html.
22. ↑ "Archived copy". http://www.greenspeed.com.au/pdfs/sachs_3x7.pdf.
23. ↑ "Sears 3-speed model 503.21". https://ratrodbikes.com/forum/threads/sears-3-speed-model-503-21.26816/.
24. ↑ S/A S2C 2010

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