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White Industries DOS Double Freewheel

White Industries DOS Double Freewheel

White Industries DOS Double Freewheel

Stock Status: Sold Out
Double sprocket freewheel

This is a double chainwheel which enables small change in ratio to be effected by stopping the bike and swapping your chain from one to the other. There is a two tooth difference which is small enough to be accommodated by most horizontal drop outs.

Additionally, for the full blown double/double system (which mates a double freewheel with a double chainwheel), there is a variation in this product with a three tooth difference - practical in this instance because by running a large sprocket with small chainwheel and vice versa you cancel out the difference in chain length between ratios.

As you would expect from White, there is the best in breed materials (case hardened steel with nickel plating), machined working parts and sealed bearing. There are 36 points of engagement. The bearing is replaceable so your hub is protected from an early grave, and as with all White stuff it is made in the United States. Fits traditional English hub thread.

Drive train  Thread size  Bearing  Locking  ring Engagement  Size  Weight   Chain
 ENO freewheel   1.37 x 24 tpi   1 x 6708 - 16t
 1 x 6808 - 17t-22t 
17-22- red
 36 points  16t, 17t, 18t, 19t,
 20t, 21t, 22t
 177 grams  eight speed 3/32"
 Trials freewheel   1.37 x 24 tpi  1 x 6808 green  72 points  18t, 20t, 22t  202 grams  
eight speed 3/32" 
 DOS ENO  1.37 x 24 tpi  1 x 6708 - 16/18t
 1 x 6808 - 17/19t
16/18 blue
17/19 red
 36 points  16/18t or 17/19t  196 grams  
 eight speed 3/32" 
  • Brand:
    White Industries
  • Condition:
  • Weight:
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