title: Comparison of hub gears
text: # 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 |
  | - | - | - | - | - | - | - | - | - | - | - |
  | 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 | 2009 | | 3(x2) | 246% (302%) | | | | 940 g | City |
  | Enviolo | City | 2019 | | continuous | 310% | 250 W | 55 Nm | n/a | 2450 g | City |
  | Enviolo | Trekking | 2019 | | continuous | 380% | 250 W | 85 Nm | n/a | 2450 g | 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 | City |
  | Fallbrook (Enviolo) | NuVinci N360 | 2010 | 2014 | continuous | 360% | | | n/a | 2450 g | City |
  | Fallbrook (Enviolo) | Nuvinci N330 | 2015 | 2018 | continuous | 330% | | | n/a | 2450 g | City |
  | Fallbrook (Enviolo) | NuVinci N171 | 2007 | 2010 | continuous | 350% | | | n/a | 3850–3950 g | City |
  | Kindernay | XIV | 2016 | | 14 | 543% | | 160 Nm | | 1400g raw cartridge | eMTB, heavy cargo, commuter |
  | Kindernay | VII | 2021 | | 7 | 428% | | 160 Nm | | 1200g raw cartridge, 1750g total system weight including SWAP and Hyseq Onesie | eMTB, heavy cargo, commuter |
  | Rohloff AG | Speedhub 500/14 | 1998 | | 14 | 526% | | 130 Nm | 11th gear | 1700-1825 g | Sport/Touring/ Cargo/Tandem |
  | Shimano | Alfine Di2 SG-S7001-11 (SG-S7051-11) | 2018 | | 11 | 409% | | | ~5th gear (0.995 ratio) | 1665 g | City, Sport, Touring |
  | Shimano | Alfine SG-S7000-8 (SG-S7001-8) | 2014 (2017) | | 8 | 307% | | | 5th gear | 1680 g | City |
  | Shimano | Alfine SG-700 | 2010 | 2017 | 11 | 409% | | | n/a | 1600-1744 g | City, Sport |
  | Shimano | Alfine SG-500 | 2006 | 2016 (?) | 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 | City |
  | SRAM | G9 | 2014 | 2015 | 9 | 292% | | | | 2088 g | 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), P5 Cargo | 1987 | 2010? | 5 | 224-251% | | | 3rd gear | | City |
  | SRAM (Sachs) | Spectro T3/i-Motion 3/Torpedo Dreigang | 1970s | 2017 | 3 | 187% | | | 2nd gear | | City |
  | SRAM (Sachs) | Neos/Spectro 3x7 | 1994 | 2000 | 3(x7) | 186% (434%) | | | | | City |
  | SRAM (Sachs) | Torpedo Duomatic/Automatic | | 2017 | 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 | 1933 | | 3 | 178% | | | 2nd Gear | 1000-1380 g | City |
  | Sturmey Archer | [S/B]2[C] Duomatic | 2010 | | 2 | 138% | | | | 930-1400 g | City |
  