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X-LAB RS8 Ultegra Di2 (2025) Black

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Original price was: $9,899.00.Current price is: $8,599.00.

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Due to dealer agreement we are unable to ship this bike/frame.

Description

Stock is limited, Contact us in store for more information on availability and pricing!

Let’s take a look at the X-LAB RS8 Ultegra Di2 (2025)

The X-LAB RS8 Ultegra Di2 (2025) Black is a high-performance aero road bike developed by XDS under its X-Lab sub-brand. Designed for competitive cyclists and enthusiasts, the RS8 combines advanced carbon fibre construction with aerodynamic engineering to deliver a lightweight and responsive ride.

Light weight, aerodynamic and responsive…

The X-Lab RS8 Ultegra Di2 (2025) offers a competitive edge for riders seeking a lightweight, aerodynamic, and responsive bike. Its advanced carbon construction and integrated components make it a formidable choice for both racing and high-performance cycling.

Please note: Images are for illustrative purposes only, actual specification may differ. 

Frame Specs
  • Sizes | 50, 52, 54, 56, 58
  • Colors | Black
  • Frame | X-LAB RS8 Carbon Frame Toray T800
  • Fork | Carbon fork 12x100mm barrel axle flush disc brake
Components
  • Handlebar | X-LAB carbon fiber integrated handlebar XS/38080, S/380100, M/400100, L/400120, XL/420*120
  • Seatpost | Carbon Straight Seatpost 300mm - 0 degree offset
  • Saddle | Selle Italia SLR BOOST Carbon Bow 145x248mm
  • Pedals | N/A
Drivetrain
  • Shifters | SHIMANO R7170 DI2 12-speed
  • Front Derailleur | SHIMANO R7170 DI2 12-speed
  • Rear Derailleur | SHIMANO R7170 DI2 12-speed
  • Brakes | SHIMANO ST-R7170(R), BR-R7170
  • Cassette | SHIMANO 105 CS-R7101 11/34T 12-speed
  • Chain | SHIMANO M7100 12-speed
  • Crankset | SHIMANO 105 FC-R7100 34/50T×170 12-speed
  • Bottom Bracket | SHIMANO SM-BBR60
Wheels
  • Wheelset | Shimano Ultegra C50 R8170, 21mm internal
  • Tyres | Continental Grandsport Race clincher folding tire 700x28c
Other
  • Extras | WEIGHT: 7.4KG (excluding pedals) based on medium size | MAX RIDER WEIGHT: 100kg

XS S M L XL
Recommended height (cm) 155-165 165-175 170-180 175-185 180-190
A-Middle tube length(mm) 440 460 480 505 530
B-TT Length(mm) 502 520 540 557 574
C-Head Tube Length(mm) 104 119 135 153 175
D-Middle tube angle(mm) 74.4 74 73.6 73.5 73.5
E-Head Tube Angle(mm) 70.8 71.5 72 72.25 73.4
F-rear wheelbase (mm) 408 410 410 410 410
G-Wheelbase(mm) 966.3 977.6 982.1 991.3 1002
H-Fork Offset (mm) 50 50 43 43 43
I-bottom bracket sinking(mm) 72 72 72 72 72
J-Stack Height(mm) 508 525 544 564 587
K-Elongation(mm) 360 370 380 390 400
L-Front wheelbase(mm) 569 578 583 592 603
M-Drag Distance(mm) 65 60 64 60 56
N-Handlebar(mm) 80*380 100*380 100*400 120*400 120*420
PMC is a specialist road store with the highest bike build standards and customer service record in the industry. Please contact any of our friendly staff if you are in need of any expert advice or answers to any queries you may have, or to take advantage of a test ride and experience the PMC advantage.
Our bike fitting service is done at time of purchase but is not limited to this only. We offer an on-going free bike fitting service within the first year to accommodate possible changes in your fitness, flexibility and performance. We can also assess current riding techniques such as pedalling efficiency, correct posture etc. and offer any advice on an individual basis in order to advance your cycling comfort and performance. This includes free head stem swap overs at any time within the first year. Our opinion is that the perfect bike fit is something that grows with your riding and can be fluid as you progress or adapt to your riding level. Every bike fit is individual to a riders certain requirements and correctly fitted, can turn a good bike riding experience into a great one. We also offer a free follow up service and highly recommend this is done within the first 6 months or the 500-1000km mark. This is the most important service a bike can get, with it getting the full treatment to ensure everything has bedded in well, ensuring your ride is maintained and performing at it's optimum level. Our service goes over and above the normal adjustments required with any issue arising being rectified free of charge unless due to normal wear and tear.