ENO Freewheels
Freewheels have notoriously been considered the Achilles' heel to the drive train system. Traditionally, the freewheel has been considered a disposable component that should be replaced on a regular basis. We approached the component differently. We set out to create and manufacture a freewheel that would be durable, reliable, and easily maintained. We succeeded in our endeavors and the ENO freewheel is now regarded as an industry leader. The freewheel utilizes a sealed cartridge bearing instead of a loose ball system. The advantage of the cartridge bearing is that it is sealed from the elements such as mud, grit, and water. The other benefit is that the bearing is nicely contained in one simple unit and easily pulled and replaced when worn. The ENO freewheel features a machined inner driver and machined outer gear case resulting in a freewheel that runs concentrically without the tight loose spots common to other freewheels. 36t engagement system and a case hardened, electroless nickel plated outer gear case make this freewheel a perfect addition to your single speed. Made in the USA |
Trials Freewheel
The trials specific ENO freewheel was developed specifically for trials riding. Typically the trials freewheel is installed on the crank arm and a fixed gear is used at the hub. The two main issues with trials is quick engagement and durability of the freewheel. The trials version addresses both of these concerns. We have designed a specific outer gear case that is beefier than our standard freewheel. The case, like all our freewheels, is made out of 8620 steel, cased hardened and then electroless nickel plated. In short, made to last. The engagement system is a six pawl system yielding 72 points of engagement, double that of our standard freewheel. Can this freewheel be used in a typical single speed non trials application? Certainly. Available in 18t only. Made in the USA.
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DOS Freewheel
The clean simple lines of a single speed bike are undeniably elegant, but there are times when one gear simply isn't enough. In keeping with the simplicity single speeders strive to maintain, we developed the DOS ENO freewheel. Two gears on one freewheel. The chain is manually moved from one position to the next which allows the rider flexibility when riding in a situation that demands an easier or harder gear. We offer the DOS in sizes 16/18 and 17/19. Made in the USA |
| Drive train |
Thread size |
Bearing |
Engagement |
Size |
Weight |
Chain |
| ENO freewheel |
1.37 x 24 tpi |
1 x 6708 - 16t
1 x 6808 - 17t-22t |
36 points |
16t, 17t, 18t, 19t,
20t, 21t, 22t |
177 grams |
eight or single speed
1/8" or 3/32" |
| Trials freewheel |
1.37 x 24 tpi |
1 x 6808 |
72 points |
18t |
202 grams |
eight or single speed
1/8" or 3/32" |
| DOS ENO |
1.37 x 24 tpi |
1 x 6708 - 16/18t
1 x 6808 - 17/19t |
36 points |
16/18t or 17/19t |
196 grams |
eight speed 3/32"
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