Bigrock Sohtea Superlight Carbon Road Bike Frameset

$1,199.00$1,399.00

A lightweight climbing frame with classic compact road bike geometry. Large round tubes give the best strength to wait ratio for those who prioritize grams over aero savings. One of the best value framesets on our site.

  • From 730g (Size XXS)
  • Fully integrated
  • T800 Carbon
  • T47 bottom bracket (85.5mm Wide)
  • 30mm Tire Clearance
  • Compact Geometry
  • Beautifully Finished

Available with optional Bigrock carbon fiber integrated handlebar

  • Weight: 338g (90*400mm)
  • Accessories: Garmin computer holder with Gopro tripod
  • Handlebar length: 80mm/90mm/100mm/110mm/120mm/130mm/140mm/150mm
  • Handlebar width: 340mm/360mm/380mm/400mm/420mm

* If choosing an integrated handlebar, please note the size in the order.

Panda Podium Review

The most surprising bike of 2023. When I first saw the Sohtea, I was quick to dismiss it as a cheap Aethos knock-off. However, when building one up for a colleague, the first thing that surprised me w... keep reading

What Customers Think

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Description

BIGROCK Sohtea: A no-nonsense modern classic

The Bigrock Sohtea is a modern take on a classic concept, wrapped in a super light package. Disc brakes and fully internal cable routing make it ready for today's hydraulic electronic groupsets, while a traditional double-triangle frame design with a shorter seat tube is a throwback to the compact road bike design of yesteryear. The advantage of this design is a better stiffness to wait ratio of the frame while offering more compliance to the saddle due to the increased length of exposed seat post. 

Specifications

  • Frame Material: T800
  • Thru Axles: Front: 12×100, Rear: 12×142
  • Headset: 1-1/8″ to 1-1/4″ (Included)
  • BB: T47 (Threaded) 85.5mm
  • Front derailleur: Bolted on front hanger
  • Tire clearance: Max. 700*30C
  • Sizes: XXS (45), XS (49), S (52), M (54), L (56)
  • Weight: See Below
  • Brakes: Disc Brake
  • Shifting: Di2 / eTap or Mechanical Shifting (Fully internal only)
  • Contents: Frame, Fork, Seatpost, Headset
  • Warranty: 3 Years

A simple design, well executed

Sometimes the bike industry gets ahead of itself, designing bikes more and more complicated in the name of marginal gains.

The Bigrock Sohtea takes things back to basics. Two triangles, round tubes, nice and light.

The result? A suprisingly stiff bike for it’s weight that has balanced handling and plenty of compliance in the saddle.

More Seatpost, More Comfort

On most road bikes today, shorter riders are left with tiny amounts of seat post sticking out the frame. This creates a harsh, uncomfortable ride with the short length of seat post unable to absorb the bumps. By shortening the seat tube, the Sohtea leaves more exposed seat post providing more comfort to the rider. Once you get used to the “strange” appearance, it starts to make a lot of sense…

Affordable doesn't mean "Cheap"

While the Bigrock Sohtea is on the more affordable end of the spectrum, it’s quality and finish are far from “cheap.” The paint work is beautiful, mounting points have been finished with care, and the included accessories put many big brands to shame. 

Geometery

Frame Size:XXS 45XS 49S 52M 54L 56XL 58
Seat Tube (ST)400431462481504532
Top Tube (TT)490508531540562577
Head Tube (HT)102109120137157184
Seat Angle (STA)7675.5747473.573.5
Head Angle (HTA)70.571.7572.57373.573.5
BB Drop (BD)747474727272
Fork Length (FL)369369369369369369
Front Rake (FR)474747444444
Front Center (FC)571574577579591605.8
Rear Center (RC)410410410410410410
Wheel Base (WB)9709739759789901005
Stack502513526543564590
Reach365375380384395402
Recommended Rider Height144-158155-168164-174172-180178-184182-190

Frame Weights

Frame weights are listed without alloy parts/accessories:

Size XXS (45) : 730g ±5%
Size XS (49) : 750g ±5%
Size S (52) : 780g ±5%
Size M (54) : 810g ±5%
Size L (56) : 830g ±5%
Size XL (56) : 860g ±5%

Front fork: 340g ±10%

Note: The above weights are Bigrock’s official numbers without alloy parts. The T47 insert is bonded into the frame so it’s impossible to check these figures, but in our experience the alloy parts are around 80g.

Gallery

Integrated Handlebar

When you order a Bigrock Sohtea frameset you are also able to add a Bigrock integrated handlebar to your order. The bar has great ergonomics and weighs around 320-360g depending on size.

  • Angle: -8°
  • Reach: 75mm
  • Drop: 127mm

 

Additional information

Frame Size

XXS(45), XS(49), S(52), M(54), L(56), XL(58)

Color

Chameleon, Crystal Green, Elegant White, Glacier Blue, Glossy Carbon, Ninja Black, Sakura Pink, Soul Red

Handlebar Option

Bigrock integrated handlebar($200.00), No handlebar included

Brand

Bigrock

Brand Name: Bigrock Chinese Company Name:东莞市大石体育用品有限公司
Founded: 2021 # of Employees: 5-10
Headquarters: Dongguan, Guangdong Products Categories: Framesets,  Handlebars

3 reviews for Bigrock Sohtea Superlight Carbon Road Bike Frameset

  1. 5 out of 5

    Joe Whittingham

    The most surprising bike of 2023. When I first saw the Sohtea, I was quick to dismiss it as a cheap Aethos knock-off. However, when building one up for a colleague, the first thing that surprised me was the quality. The finishing of the paintwork, the interior of the carbon, the cleanliness of the disc brake mounts… they put many bigger brands to shame. As did the included accessories. The bike I built for the colleague was about 2 sizes too small for me, but I took it for a shake-down ride anyway. I wanted to find a hill to bed-in the brakes, so I started a local climb. I was immediately impressed. We’d built the bike up on a budget, and it was still super-light. But not only that, the power transfer of the rear triangle was very direct. With a comical amount of seat post sticking out (being two sizes too small) it also rode super comfortably. The descent was also surprising. Usually XXS frames are an after-thought and thus the geometry (and handling) suffer. But this bike was turning in sharp and tracking so well. Impressed by the ride, I immediately approached BIGROCK to ask them if we could stock their frames on our site. We’ve since purchased 2 more frames as staff bikes, and they’re as impressive as the first. For the price… it’s really hard to find anything to complain about. (Although having BIGROCK plastered on your down tube is probably one thing to complain about…)

  2. 5 out of 5

    Danny Smit (verified owner)

    I was looking for a successor of my 2016 Émonda sl6 with all modern features as disc brakes, T47 bottom bracket, 30mm tire clearance and fully integrated cables. As I ride with maximum saddle setback now, a universal round seatpost means much more options if I have to increase the setback.

    As I like the handling of my old Émonda I was looking for a similar geometry. It turned out my size 52 Émonda is similar to a size 54 Sohtea.

    It took about four weeks between ordering and delivery. As it’s my first bike build I can’t compare, however I didn’t ran into any problems. Bottombracket inserts are inline and machined to the right size, same for brake caliper mounting points. Seatpost and handlebar fit was also spot on. The optional integrated handlebar is well built and allows for full cable integration. It comes with lots of parts. It would have been even better if it was just black without ‘skyline’ on the front and a stripe at the back.

    I installed a 105 di2 groupset and 1450 gram wheels and came to 7.7 kg including pedals.
    The frame is a bit stiffer than the Émonda and rides very well, with 4.5 bar in the 30mm tires the comfort is also great.

    I can recommend the Bigrock Sohtea if you are looking for an affordable, chinese frame without the cons it sometimes comes with.

  3. 5 out of 5

    flandrien (verified owner)

    I was looking for a lighter bike to replace my Winspace T1500D , and I was amazed by the simplicity of the Bigrock Sohtea Lightweight in size M. I build up the bike with Sram Rival etap axs and Elitewheels Edge 45mm, with Michelin Powercup 25mm tyres and TPU inner tubes and Deda Carbon handlebar/stem combo. It surprised me the total weight to be 6.8KG with computer mount and bottlecage. I just completed the shakedown with now over 170km of riding on varied terrain. I am very happy with the quick and responsiveness and good handling, far superior to the majority of brands I raced in the past. It is not as quick on the flat as a pure aero bike but it holds its own! Considering the low pricetag and great quality of the frame I say it is a must have. I can thoroughly recommend it!


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