I keep thinking of those wavy cookie cutters when I look at these.......mmmm cookies
Rolling Stones, very soon "hiting the trail"
That's our proposal for ww hubs. We have decided go for the most complex at once, and produce our first batch of protos below 300gr the set.
BCB Rolling Stones
Front (lefty version)
Body: Aluminium 7075 T6, color anodized, laser etched
Hybrid bearings: 1 x 61805 2RS / 1 x 61902 2RS
Cap: Anodized aluminium 7075 T6
Bolt: Ti6Al4V
Same hub is possible to use as lefty hub or QR with extra axle added.
Rear
Body: Aluminium 7075 T6, color anodized, laser etched
Hybrid bearings: 2 x 61902 2RS / 2 x 61802 2RS
Cassette body: Anodized aluminium 7075 T6
Mechanism: 4 pawls and ratchet, quenched and tempered steel
Axle: Anodized aluminium 7075 T6, variable section, treaded ends for caps.
Caps: Alnodized auminium 7075 T6
The weight for the set is for this first testing version, some more coments:
1. Teh pictures show the weight for the set lacking two hybrid bearings, so normals full stel ones are assembled there ;-)
2. Right now, we are working on UD Carbon axles
3. We want to test also some special ultralight caps using high performance polymers
4. We have detected some areas in the hub bodies where we can shave some more grams.
These, together with some more ideas will allow us to offer a final lighter version...
Now is time to "burn them" in the tracks, be tuned!!
Happy New Year.
BCB Rolling Stones
Front (lefty version)
Body: Aluminium 7075 T6, color anodized, laser etched
Hybrid bearings: 1 x 61805 2RS / 1 x 61902 2RS
Cap: Anodized aluminium 7075 T6
Bolt: Ti6Al4V
Same hub is possible to use as lefty hub or QR with extra axle added.
Rear
Body: Aluminium 7075 T6, color anodized, laser etched
Hybrid bearings: 2 x 61902 2RS / 2 x 61802 2RS
Cassette body: Anodized aluminium 7075 T6
Mechanism: 4 pawls and ratchet, quenched and tempered steel
Axle: Anodized aluminium 7075 T6, variable section, treaded ends for caps.
Caps: Alnodized auminium 7075 T6
The weight for the set is for this first testing version, some more coments:
1. Teh pictures show the weight for the set lacking two hybrid bearings, so normals full stel ones are assembled there ;-)
2. Right now, we are working on UD Carbon axles
3. We want to test also some special ultralight caps using high performance polymers
4. We have detected some areas in the hub bodies where we can shave some more grams.
These, together with some more ideas will allow us to offer a final lighter version...
Now is time to "burn them" in the tracks, be tuned!!
Happy New Year.
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1 - 17 of 17 Posts
Good idea :thumbsup: Love multifunctional parts.
I guess I have found few gramms.
Please see red marks at the attached pic. Most hubs I know are machined or drilled at the flanges between the disc mounts. May yours in a little while too
See also the Rockman hub. They save a lot weight by leaving meat. And this trial hub works well on MTB. I ride it nearly for a year at my racebike (with ZTR Race and DT Revo 1,8-1,5)
I guess I have found few gramms.
Please see red marks at the attached pic. Most hubs I know are machined or drilled at the flanges between the disc mounts. May yours in a little while too
See also the Rockman hub. They save a lot weight by leaving meat. And this trial hub works well on MTB. I ride it nearly for a year at my racebike (with ZTR Race and DT Revo 1,8-1,5)
Attachments
Yep, we have considered that, and actually we will machine and "eat some meat" doing such windows in the production version, with a samll difference, we will avoid to open them totally, so a thin skin or web will close them, as a compromise between weight and stiffness...checky said:Good idea :thumbsup: Love multifunctional parts.
I guess I have found few gramms.
Please see red marks at the attached pic. Most hubs I know are machined or drilled at the flanges between the disc mounts. May yours in a little while too
See also the Rockman hub. They save a lot weight by leaving meat. And this trial hub works well on MTB. I ride it nearly for a year at my racebike (with ZTR Race and DT Revo 1,8-1,5)
1 - 17 of 17 Posts
