Niner Bikes BSB 9 RDO Cyclocross Bike

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Niner Bikes BSB 9 RDO Cyclocross Bike 

DESCRIPTION

The BSB 9 RDO is the sub-1000 gram race frame that will take you through every off camber corner, up every staircase, and into endless gauntlets of brew drinking, prime tossing, screaming, heckling fans - lap after lap after lap.

  • RDO carbon layup for no-compromise stiffness, strength and ride quality
  • Cyclocross specific geometry for race bike handling
  • Tapered head tube for front end stiffness, strength and steering precision
  • 68mm PF30 full carbon BB shell
  • Di2 ready and seat post battery wiring compatible
  • Disc brake only- 160mm rotor
  • 135mm X Q/R rear spacing for light weight and ride quality
  • 27.2 seat post diameter for comfort
  • Two waterbottle mounts in every size
  • Available in six sizes - 47, 50, 53, 56, 59, 62 cm

USER REVIEWS

Showing 1-1 of 1  
[Aug 14, 2017]
Bnystrom

Strength:

Light, stiff, precise handling, well-built, sharp looking

Weakness:

The front end is uncomfortably stiff on the 5-Star build, chainstay guard tends to come loose and rub the tire, rear hub on mine has a lot of bearing drag

This review is of the 2015 5-Star build (Ultegra Di2 with R784 hydro brakes, Niner carbon wheels, Thompson KFS bars).

This a STIFF frameset, so if you're hoping for a cushy ride, look elsewhere (the RLT, perhaps). The only nod to comfort is the RDO seatpost, which does seem to take some of the sting out of the rear end. Between the rigid fork and the stock Thompson KFC carbon bars that are extremely stiff and do not accommodate double wrapping the bar tape above the brake levers, the front end is pretty harsh. My hands, neck and shoulders were sore after every ride, even when running 40mm tubeless tires at 32/34psi on Stan's Iron Cross wheels. I swapped the bars for 3T Ergosum alloys (with a little give to them) and double wrapped with Cannondale Synapse tape over generic cork - with a little tape under the top of the brake hoods, too. Now the bike feel dramatically more comfortable and the post-ride pain is gone.

The upside to all of this stiffness is very precise steering and braking control, plus very efficient power transfer. I love the way the bike handles; it's very quick in tight turns, responds instantly to pressure on the bars, yet feels stable on high-speed descents. I can't ask anything more than that.

FWIW, I get more compliments on the looks of this bike than any other I've owned.

The Di2 has been interesting to play with. In its stock configuration, it's easy to hit the wrong button when you're getting bounced around on rough terrain, since they're so close together. To remedy that, I've reprogrammed it for Synchro-Shift and set up both left buttons to downshift and both right buttons to upshift. Now all I have to do is remember left=lower gears, right=higher gears and hit one of the buttons on the appropriate side, and the front shifts automatically when necessary. No matter how oxygen-deprived I may be or how rough the terrain is, I can shift accurately. This setup will work well with heavy winter gloves on, or even mittens for that matter. I have Campy on all of my other bikes, so I needed to train my brain for the completely different feel of Di2 anyway. This setup was really easy to learn. Try it, you may like it.

OVERALL
RATING
4
VALUE
RATING
4
Showing 1-1 of 1  
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