
Dura
Ace Carbon crankset ~ New for 2010
with limited availability now!
With the new Dura Ace Carbon, Shimano has introduced their first carbon
crankset ever. Weight is just 720 grams. First sizes to arrive: 172.5 followed
by 170 and 175. Rings are 53 x 39. Requires Dura Ace cupset (below).
Shimano
Dura Ace bottom bracket cup set ~
Fits all Shimano Dura Ace 7900 series cranksets - aluminum and carbon. 88
grams. Bottom bracket spindle is integrated with right side crankarm. Select
English or Italian threads to fit your frameset.
Ultegra
6700 ~ New for 2010 and available now!
Ultegra, Shimano's second tier group gets a complete revamp for 2010. The new
group takes inspiration from the technology of Dura Ace 7900. And, it shares the
top line's two tone grey finish.
Most important new features:
 | weighs 44 grams less than its predecessor, Ultegra SL |
 | uses the same Hollowglide (hollow chainring) technology as Dura Ace |
 | Front derailleur has reduced spring tension for faster and smoother
shifting. The cage is lighter and more rigid. |
 | Rear derailleur handles wider angle of chain cross |
 | New STI levers have a composite blade, reach adjustment, and cable routing
that runs under the bar tape |
 | New brake pads have 100% more power in wet conditions and 20% more in dry |
 | New chain has perforated plates to reduce weight plus "quick link"
mounting |
 | 1/4 pound lighter than Dura Ace 7800! |
 | carbon fiber brake levers |
 | reach adjustment of 1cm on brake levers |
 | Cable routing under handlebar tape |
 | Hollow large chainring for less weight and more stiffness |
 | Carbon fiber rear derailleur cage |
 | Rear derailleur handles new 11-28 cassette |
 | Very little trim needed on front derailleur |
 | Brake pads are 100% more efficient in wet conditions |
 | Brake calipers are stiffer yet modulation is increased |