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Interbike: Cervelo's new P4; Storck gets stiffer

Cervélo couldn't leave the unused saddle clamp hole empty, right?

  • Cervélo officially unveiled its stunning new P4 during the first indoor day of the Interbike trade show.
  • The new P4 is definitely more of an integrated chassis than its P3C forebear.
  • The dropped down tube helps smooth airflow coming off of the front wheel.
  • Custom headset spacers mate perfectly with the bottom of the 3T Ventus stem.
  • Internally routed cables on the Ventus bar also help clean up the front end.
  • The frontal profile is rather clean.
  • Cervelo says the new P4 is substantially faster than the P3C.
  • An integrated bottle smoothes airflow around the bottom bracket area.
  • Cervélo says the P4 is faster with the bottle installed than without.
  • The giant asymmetrical chain stays stiffen up the rear end.
  • Even with their girth, Cervélo says the new chain stays are more aero than before.
  • The rear triangle is particularly clean. But hey, where's the rear brake?
  • With no brake mounted up top, the slim seat stays are free to sprout cleanly off the sides of the frame.
  • We're guessing air flows neatly off the rear edge of this area.
  • The rear brake is a custom Cervélo design and is housed entirely within the chain stays. The little gold knob is the quick release.
  • aluminium dropouts incorporate threaded adjusters.
  • The aero post offers two offsets…
  • …and the neat wedge-style clamp means there's no protruding clamps.
  • Naturally, aero tube profiles are used throughout.
  • Interestingly, the frame bears a giant 'P4' logo on the down tube instead of the usual Cervélo badge.
  • The internally routed cables feed into the housing stops accessed through the little port in the down tube.
  • A flip-top lid on the water bottle makes for easy on-the-go refilling.
  • The tube surfaces around the bottom bracket are extra clean since the brake is housed within.
  • Cervélo couldn't leave the unused saddle clamp hole empty, right?
  • Moving the rear brake down to the bottom bracket obviously afforded Cervélo much more freedom in shaping this area.
  • The driveside dropout isn't easily replaceable but at least it looks rather sturdy.
  • The asymmetrical chain stays are absolutely enormous.
  • The rear of the fork crown blends in well with the down tube.
  • The new P4 is decidedly sleeker looking than the P3C.
  • A purpose-built fork replaces the rather standard unit on other Cervélo aero frames.
  • The deep seat tube cutout shields the rear wheel.
  • The P4 intro was expectedly met with much fanfare.
  • Storck's Fascenario 0.7 is reputedly one of the lightest and stiffest bikes out there.
  • Storck aims to deliver most of the Fascenario's performance in a less expensive package with its new Fenomalist.
  • The Fenomalist basically uses the same rear triangle as the Fascenario but the front triangle of an Absolutist.
  • The Storck fork isn't particularly light but is expected to be rather stiff.
  • Big fat chain stays grace the rear end.
  • The top tube and down tube are both flattened on their lower surfaces to improve rigidity.
  • Even the housing stops are well done.

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Cervélo couldn't leave the unused saddle clamp hole empty, right?

© Cervélo