Specialized Roubaix Expert 2017 Bottom Bracket

Yes you have to replace the bottom bracket when you replace the crankset.

Specialized roubaix expert 2017 bottom bracket. The new 2017 frames with the future shock are bsa threaded. Theirs is not compatible with shimano s. The new standard in endurance racing bikes has arrived buy if you want a bike that s a landmark in comfort and control without compromise. The super light frame has been constructed from our fact 10r carbon fiber.

Specialized bottom brackets have been confusing our customers for some time now. As a result tyres up to 32mm wide will be accepted which will further smooth out road vibration. Sure we always knew that smoother was faster but before the roubaix expert with our future shock technology we couldn t have imagined just how much faster being smooth actually is. Let s call everything osbb if my memory is correct osbb was first introduced on the first generation venge around 2011.

Many frames are carrying the osbb label but in reality this oversized bottom bracket covers a range of standards. Specialized offers a wide range of fit adjustments through a choice of headset top caps and its novel hover riser handlebar so you can replicate your position on the old roubaix or get a much racier setup. The 2017 specialized roubaix takes a radical step forward with an all new future shock suspension system. The revamped roubaix also receives the swat treatment with a removable storage box mounted above the bottom bracket included on the expert and s works models.

The head angle is steeper the bottom bracket lower the wheelbase shorter the stack is 30mm lower and the reach is 10mm longer. The photo above showed a virgin carbon 61x46 mm bottom bracket shell and the orginal delrin bottom bracket supplied by specialized. You will need the special praxis works bottom bracket tool the m30. Like shocks on a race car the zertz vibration damping inserts on the roubaix sl4 help absorb road impact and keep power planted firmly on the road couple that with a fact carbon 10r frame and it s still plenty stiff to thrash around in a sprint.

This houses most of the spares you would need. The bottom bracket you have is designed only for the praxis crankset in a bb30 frame. Specialized roubaix 2017 review. The previous sl4 frames including the few sl4 models carried over for 2017 are osbb using bb30 bottom brackets.

No rim brake version of the roubaix will be offered in 2017 which has enabled engineers to play with the fork and rear triangle. With a black or silver aluminium insert expoxied by the manufacturer in the original virgin carbon 61x46 mm bottom bracket shell converting it into a bb30 bottom bracket shell of 68x42 mm see the photos below. Interestingly a benefit of the allowance for larger tyres is a lower bottom bracket height. Going back a few years the sl3 and all prior roubaix frames were bsa threaded.

Its stiffness levels are also off the charts and compared to the sl4 iteration of yesteryear you ll experience a whole new faster and.