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Bike on diet - ridley with c-bear carbon pulley, PF30 BB and ceramic bearings Zipp wheels plus a few other tweaks. From 5.74kg to...
http://youtu.be/l38FU8jdBhY
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c-bear

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C-BEAR Pressfit30-Campagnolo Bottom Bracket - Coming Soon!
Another new designed product
1.  secure fits to the bottom bracket shell
2.  provide more stability to the drivetrain
3.  increase crankset stiffness.
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If it has the non-std pf30 bb (shorter) shell like the sl4 s-work tarmac 2014, then instead of our PF30-campa bb , you will need our osbb62-campa bb instead.
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c-bear

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Dec 2012
Sven : lots of problems (water and dirt) with the bearings  in my Cannondale flash 2011, any solution?
Ludo : Hollowgram BB30 compatible with SL?
c-bear :  c-bear ceramic bb30 mtb bearings with red seals, are specially developed for mtb road condition, with special seals and grease formulation to offer more protection against moisture and dirt.
http://www.c-bear.com/en/bbl-en/bb30-bottom-bracket-ceramic-bearings.php
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Danny (dec 2012) "Cervelo S5 + SRAM Force GXP Cranks.  I currently have a PF30 bottom bracket with Delrin adapters that I’m not happy with.  I want a bottom bracket with no adapters."

http://www.c-bear.com/en/bbr-en/sram-gxp-bb-right-bottom-bracket.php
material : alum. pressfit cups
no intermediary adapter/shim......
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c-bear

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Specialized mobile assistance stand at Crocodile Trophy 2012 hard at work even in the dark. "Yesterday I (Micha) put a specialized Phenom 143 saddle on Mulkens'  bike after having crashed his other saddle. Mulkens on the podium again riding specialized renegade control tires, made tubeless and c-bear bearings all over his bike.  Then a stage win and a 2nd place"!!!!
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c-bear

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c-bear osbb-shimano bottom bracket for Specialized S-Works Cavendish Ltd. Edition + Dura Ace 7900 Installation Video
http://www.c-bear.com/en/osbb-en/shimano-rotor-race-bb-osbb-ceramic-bearings.php
Thks for your efforts:  Craig, Dales and Jonathan.
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C-BEAR.com : official sponsor of Lotto Team since 2009.
Andre Greipel - third stage win at Tour Down Under 2013
source : sporza.be/cm/sporza
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C.B (Jan 2013) "I ride a Specialized 2012 Venge (fitted with Ceramic Speed Bearings as Standard) after racing with these for only 6 months I have wear on my Drive side. I put this down to the Housing / Casing that holds the bearings in situ, which must be flexing to some degree?"
1. Like to try c-bear solution to hopefully correct this problem.
http://www.c-bear.com/en/osbb-en/shimano-rotor-race-bb-osbb-ceramic-bearings.php
2. Also living and racing in Scotland with the wet conditions, would c-bear  with cyclocross (MTB) seals be more suitable?

c-bear:
C-bear MTB bearings are designed to provide more protection against moisture and dirt, Definitely recommend you to use that.
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frame + crankset = ?? bottom bracket
please review c-bear BB (bottom bracket) chart.
http://www.c-bear.com/image/bbchart-print.pdf
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c-bear specializes in ceramic bearings for bicycle: solution for bottom brackets
Introduction
www.c-bear.com specializes in ceramic bearings for bicycles, offer solution about ceramic bottom bracket.
32 (0) 11 603 208
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32 (0)11 603 208
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