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Shimano offer the Alfine in 8 or 11 speed and both are able to be used with disc brakes. 

The Stock BWR with 50t has a gear range of 302%, ratio of 1.99-6.03 with MPH per 90 RPM (cadence) at 8.9-26.9mph.

Alfine 8;

Alfine 8 range is 307% which is only 5% more than the BWR but with a few other benefits. 
- Single shifter = cleaner cockpit
- Single sprocket = less wear / less noise 
- Disc brake option

Using an Alfine 8 the following speed ranges are found; (always using 18t sprocket)
 44t would give 5.8-17.9mph
 50t would give 6.5-20mph
 54t would give 7.1-21.9mph

Alfine 11; 

Alfine 11 range is 409%, a good midway between the BWR 302% and Rohloff 526%.

Using an Alfine 11 the following speed ranges are found; (always using 18t sprocket) 
 44t would give 5.8-23.6mph
 50t would give 6.5-26.7mph
 54t would give 7.1-28.9mph


Both hubs have trigger shifter options but there are many aftermarket alternatives;

Jtek Bar End 8spd - #
45027
Jtek Bar End 11spd - #38738 
Jtek Thumb 8spd - #
40225
Jtek Thumb 8spd MK2- #49852
Jtek Thumb 11spd - #40234

Microshift BS-No8 - #GE78
​
Microshift Inter11 Dropbar STI - #SB-N110
Shimano Alfine 11 DI2 Dropbar STI - #STS705P1AS

 



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  • Home
  • Shop
    • Accessories
    • Brompton Bicycles
    • Components
    • Conversions / Servicing
    • Drive Chain Parts
    • Frame Parts
    • Service Parts / Tools
    • Sturmey Archer Parts
    • Tubes / Tyres
    • Wheels / Wheel Parts
  • Servicing
  • The Basics
    • A Line
    • C Line
    • C Line Electric
    • P Line
    • P Line Electric
    • T Line
  • Weights
    • Stock Bikes
    • Frame Parts
    • Components
      • Braking
      • Easy Wheels
      • Handlebars
      • Mudguards
      • Saddles / Seatposts
    • Transmisson
      • Bottom Brackets
      • Chainsets/Chainrings
      • Pedals
      • Shifters
      • Tensioners
    • Wheels/Wheel Parts
      • Front Wheels
      • Rear Wheels
      • Hubs
      • Rims
    • Tyres/Tubes
  • Tech Info
    • Bearings
    • Brompton Electric
    • Cable Lengths
    • Chain Lengths
    • Gear Ratios / Ranges
    • Hope Technology
      • Front Hubs
      • Rear Hubs
    • Datasheets
    • Notes
    • Paint Codes
    • Serial / Frame Numbers
    • Sturmey-Archer
    • Torque Settings
    • Tyres
    • Wheel / Wheel Building
  • Modifications
  • Contact