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New Sram Torpedo Fixed-Free Hub

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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

New Sram Torpedo Fixed-Free Hub

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Old 08-23-09 | 03:00 PM
  #1  
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Gear Hub fan
 
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From: Reno, NV

Bikes: Civia Hyland Rohloff, Swobo Dixon, Colnago, Univega

New Sram Torpedo Fixed-Free Hub

If this info has already been posted I apologize. I missed it.

I just looked the hub over at my LBS who got one in. As they do most of their ordering from QBP I presume that is who they obtained it from.

It is a high flange hub and their sample is matte black finished. Per the 2010 SRAM tech manual it weighs 480 grams. The manual also indicates that it is available in 120mm and 130mm widths as well as both black and silver finishes. Spoke circle diameter is listed as 67mm.

Switching between fixed and freewheel operation is done via a screw head in one end of the axle. The axle nuts are cap nuts with a hole in the dome of one so the operation changing screw is accessable with the wheel installed. It takes a narrow flat blade screwdriver. Switching appears like it would be faster than unbolting and reversing a dual sided hub wheel to do a fixed/freewheel switch.

Sprockets look to be standard IGH sprockets. The one that came on the hub is flat and at a glance appeared to be for 1/8" chain. It looks like almost any standard SA, SRAM or Shimano IGH sprocket could be used. Chainline is listed as 42.5mm with a SRAM dished procket and 46mm with a flat one.

I forgot to ask the retail price.
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Gear Hubs Owned: Rohloff disc brake, SRAM iM9 disc brake, SRAM P5 freewheel, Sachs Torpedo 3 speed freewheel, NuVinci CVT, Shimano Alfine SG S-501, Sturmey Archer S5-2 Alloy. Other: 83 Colnago Super Record, Univega Via De Oro

Visit and join the Yahoo Geared Hub Bikes group for support and links.
https://groups.yahoo.com/group/Geared_hub_bikes/
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Old 08-23-09 | 09:28 PM
  #2  
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Gear Hub fan
 
Joined: Nov 2008
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From: Reno, NV

Bikes: Civia Hyland Rohloff, Swobo Dixon, Colnago, Univega

Bikeman.com has it listed for $103.99 and Universal Cycles for $115.
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Gear Hubs Owned: Rohloff disc brake, SRAM iM9 disc brake, SRAM P5 freewheel, Sachs Torpedo 3 speed freewheel, NuVinci CVT, Shimano Alfine SG S-501, Sturmey Archer S5-2 Alloy. Other: 83 Colnago Super Record, Univega Via De Oro

Visit and join the Yahoo Geared Hub Bikes group for support and links.
https://groups.yahoo.com/group/Geared_hub_bikes/
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Old 08-23-09 | 10:33 PM
  #3  
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Interesting product. For a long ride, I like the idea of being able to switch to SS without flipping the wheel if I felt I needed a break for some reason.
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Old 08-24-09 | 12:11 AM
  #4  
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I'm glad that it wasn't just vapourware, but I don't think I'll be buying one.

Cool idea though
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