ENO SINGLE SPEED REAR HUBS
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Eric's Eccentric ENO
Our eccentric ENO line of hubs are made specifically for bikes with vertical dropouts. The majority of bicycle frames made today are made with vertical dropouts, however, converting the frame to a single speed presents the problem of how to tension the chain. Chain tension with vertical frames can be addressed three ways by using a chain tensioner, using an eccentric bottom bracket, or with our eccentric ENO. The eccentric ENO is an easy, clean, and simple answer to the problem. The eccentric rear hub allows the rider to adjust the chain tension by simply rotating the elliptical axle ends up and back in the dropouts. As the hub rotates back the chain is pulled into tension. The eccentric ENO is available in two models: Eric's Eccentric ENO and Eric's Eccentric Disc ENO. The Eccentric ENO is a flip/flop design fixed/free. The disc model is ISO standard six bolt on non drive side and freewheel compatible on drive side. We recommend running the eccentric disc ENO with the eccentric caliper mount adaptor featured below. Made in the USA
| Wheel Building Specifications |
Center to Flange |
Flange Diameter |
| Eric's Eccentric ENO |
32.5mm |
48.0 |
| Eric's Eccentric Disc ENO |
32 mm |
60.0 |
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| Model |
Eccentric ENO |
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| Shell |
6061-T6 |
| Axle |
solid aluminum |
| Bearings |
two: 6902-2rs |
| O.L.D. |
126mm, 130mm, or 135mm
Disc: 135mm |
| Weight |
322 grams: eccentric
384 grams: eccentric disc |
| Freewheel |
1.37 x 24 tpi freewheel thread |
| Fixed |
splined fixed gear cog w/
english lock ring |
| Spoke Hole Drilling |
28h, 32h, 36h |
| Finish |
polished silver, black anodized |
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Disc Eccentric Mount
The eccentric caliper mount is designed to work with the Eric's Eccentric Disc ENO. The eccentric disc hub moves in an elliptical arc tensioning the chain. When running a disc brake the brake rotor moves in the same elliptical arc as the hub which creates a problem with the caliper / rotor interface. The eccentric mount replaces the caliper frame mount allowing the disc brake caliper to rotate in the same elliptical arc as the hub. The adaptor should work with post mount Hayes, Avid, and Shimano brakes. The original caliper frame mount will need to be unbolted from the caliper and replaced with the eccentric mount. The adaptor will NOT work with all disc brakes.
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Standard ENO
Single speed standard ENO hubs are designed for bikes with horizontal dropouts or with eccentric bottom brackets. The standard ENO hub is freewheel compatible and comes stock as a bolt on style hub complete with frame affixing hardware, however, the hub can be ordered with quick release adaptors. The hub comes stock as single sided threaded for an English threaded freewheel, however, can be custom configured as a flip/flop upon request. The disc ENO is ISO standard six bolt rotor on the non drive side and freewheel compatible on the drive side. Made in the USA
| Wheel Building Specifications |
Center to Flange |
Flange Diameter |
| Standard ENO |
32.5mm |
48.0 |
| Standard Disc ENO |
32 mm |
60.0 |
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| Model |
Standard ENO |
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| Shell |
6061-T6 |
| Axle |
15mm aluminum |
| Bearings |
two: 6902-2rs |
| O.L.D. |
130mm, or 135mm
Disc: 135mm |
| Weight |
268 grams: standard
332 grams: standard disc |
| Freewheel |
1.37 x 24 tpi freewheel thread |
| Spoke Hole Drilling |
28h, 32h, 36h |
| Finish |
polished silver, black anodized |
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