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BSB 9 RDO 5-Star Ultegra Di2 Hydro Cyclocross Bike - 2015

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The Bloody Best.

The Niner name has built an especially loyal following since the company's founding and its relentless innovations in the world of 29-inch mountain bikes. Its first drop-bar bike, the all-purpose, alloy RLT 9, was met with heavy demand by the time it hit the market last year, and yet it was only a harbinger of even greater things to come. Introducing the BSB 9 RDO, a full-carbon, competition-focused cyclocross frameset from the big-wheel masters, seen here in its supreme form as the 2015 BSB 9 RDO 5-Star Ultegra Di2 Hydro Complete Cyclocross Bike.


The BSB initialism speaks directly to the frame's intended audience: Blood, Sweat, and Beers — a practical mantra of 'crossers around the world. That none-too-serious moniker doesn't translate to a less-than-serious design and engineering process, though. Niner spent many hours doing computer analysis, lab testing, and beating the crud out of its prototypes until it arrived at this disc-brake-only product, complete with aggressive geometry (steep head tube and seat tube angles, short seatstays, and high bottom brackets to avoid pedal impacts) and a thru-axle-equipped fork modeled after its award-winning rigid carbon mountain forks.


For the BSB's main frame, however, engineers even further refined their Carbon Compaction System molding process — employed on all of their RDO frames — to extract the absolute most strength from every carbon fiber while eliminating those that weren't contributing to the frame's sharp handling or lateral stiffness. The process uses rigid internal molds for a more consistent and compact internal tube layering than the usual bladder molds, not only saving weight and boosting strength but ensuring that the interior of the frame is as beautifully seamless as the outside. The generously sized down tube, head tube design, and chainstay and seatstay shaping were all influenced by Niner's supreme mountain hardtail, the Air 9 RDO, to bestow the BSB not only with race-worthy stiffness but also a relatively smooth ride.


If the BSB's technical superiority doesn't win you over, then scope the spec sheet of this complete build. A full Shimano Ultegra Di2 electronic drivetrain laughs off the mud that impairs the function of many mechanical systems, and Niner's RDO parts round out a solid, light cockpit. Niner's own CX Carbon wheels are especially tough with low inert mass for fast acceleration, aided by Schwalbe Rocket Ron EVO tires, and for the kicker, get pumped, because Shimano's RS785 hydraulic disc brakes offer superior control to virtually any braking system available to drop-bar bikes.


The 2015 BSB 9 RDO 5-Star Ultegra Di2 Hydro Complete Cyclocross Bike comes in six sizes, from 47 to 62cm, and each size accommodates two water bottle mounts. The only color available is Black/Red, and pedals are not included.


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Details

  • RDO carbon layup
  • Niner full carbon fork with tapered steerer, 15mm thru-axle
  • Ultegra Di2 electronic drivetrain with seatpost battery wiring
  • Niner CX Carbon wheels with 33mm Schwalbe Rocket Ron EVO tires
  • 68mm Press Fit 30 full carbon bottom bracket shell
  • 135mm quick-release skewer at rear
  • Internal cable routing
  • Item #NNR001F
Frame Material
carbon fiber
Fork
Niner full carbon
Shifters
Shimano R785
Front Derailleur
Shimano Ultegra Di2
Rear Derailleur
Shimano Ultegra GS Di2 11-speed
Crankset
36 - 46 t Shimano Ultegra 6800 11 speed
Bottom Bracket
Shimano BBR60
Cassette
11 - 32 t Shimano Ultegra 11-speed
Chain
Shimano Ultegra 11-Speed
Rotors
160 mm Shimano
Handlebar
Niner Flat Top alloy
Bar Tape
Niner
Stem
Niner RDO alloy
Saddle
Niner Custom
Seatpost
Niner RDO carbon
Wheelset
Niner CX Carbon
Hubs
[front] 15mm thru-axle, [rear] 135x10mm quick-release
Tires
Schwalbe Rocket Ron EVO
Tire Size
700 mm x 33 mm
Extras
Niner YAYWD
Recommended Use
cyclocross
Manufacturer Warranty
5 years on frame

Overall Rating

5 based on 1 ratings

Review Summary

5 Stars - 1 reviews
4 Stars - 0 reviews
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