18 tooth Stainless Steel Trials freewheel
The White Industries Trials freewheel has a 36 tooth ratchet for minimum slack, and 6, count 'em 6 pawls for reliability and durability! They engage in two groups of three for a maximum of 10 degrees of slack.
(The regular White Industries freewheel has 4 pawls, engaging two at a time.)
O-ring seals keep the innards clean even in nasty muck! Stainless steel, made in U.S.A.
The heavy duty Trials model is available only in the 18 tooth size.
1/2 x 3/32
For further details, see http://sheldonbrown.com/harris/white-freewheels.html
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