Set Madison EV1
Set hubs with ball bearings track fixie double thread model Madison EV1; - Components machined from round bars of 71 mm profile in 6061 aluminum, the shells of the hubs are subjected to four different machining processes before they are finished ... With a flange worked with openwork forming a design reminiscent of the decades of the 60s and 70s with a lighter modern design, achieving an evolution of our most successful model. As a result of our fixie track hubs, they are machined in double polish without luster, subjected to an anodizing process in Brilliant black, Hand milling of each hole in the flange, 30mm deep perforated shafts at each end, adjustment bolt step 1 ( thread) X25mm long, 5mm allen head. Front: flange diameter 70mm, opening between tips 100mm. Rear flange diameter 70mm, opening between chainstays 120mm, threaded fixed sprocket 35mm- in inches 1.375 x 24 TPI
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Bearings to roller : Bearings 6000ZZ |
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The groove ball bearings are mostusual and especially versatile. They have low friction and are optimized for low noise level and low vibration,which allows high turning speed.Also they endure radial and axial loads both ways, are easy to assemble and need less maintenance than amy other bearing types. |
Technical specifications
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Housing material |
Aluminium 6061 Treated Anodized (Finished) |
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Shaft Material |
Siemens Steel 1045 , Front: thread diameter 9mm thread pitch 1 (TPI) Rear: thread diameter 10mm, thread pitch 1 (TPI) |
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Bearing coverage material |
Aluminium 6061 bright polished |
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knurled lockring nut material |
Stainless Stell (AISI 304) |
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Lockring Material |
Stainless Stell (AISI 304) |
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Limit total cyclist weight |
120 kilograms ( 264,60 libras) |
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Front hubs weignt |
210 grams (0,463 libras ) |
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Rear hubs fixed – fixed weight |
290grams (0,639 libras ) |
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Rear hubs fixed - free gear weight |
270 grams (0,595 libras) |
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Rear hubs weight free gear – free gear 15 (thread free gear cog 15 ring gear) |
260 grams (0,574 libras) |
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