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

Frame weights: XXS-730g, XS-750g, S-780g, M-810g, L-830g (±30g, metal parts not included) Fork: 330g,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: 12x100, Rear: 12x142
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 45
XS 49
S 52
M 54
L 56
XL 58

Seat Tube (ST)
400
431
462
481
504
532

Top Tube (TT)
490
508
531
540
562
577

Head Tube (HT)
102
109
120
137
157
184

Seat Angle (STA)
76
75.5
74
74
73.5
73.5

Head Angle (HTA)
70.5
71.75
72.5
73
73.5
73.5

BB Drop (BD)
74
74
74
72
72
72

Fork Length (FL)
369
369
369
369
369
369

Front Rake (FR)
47
47
47
44
44
44

Front Center (FC)
571
574
577
579
591
605.8

Rear Center (RC)
410
410
410
410
410
410

Wheel Base (WB)
970
973
975
978
990
1005

Stack
502
513
526
543
564
590

Reach
365
375
380
384
395
402

Recommended Rider Height
144-158
155-168
164-174
172-180
178-184
182-190

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%

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

https://www.pandapodium.cc/product/bigrock-sohtea-superlight-carbon-road-bike-frameset