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LightCarbon New Gravel Frameset with Integrated Handlebar

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LightCarbon New Gravel Frameset with Integrated Handlebar

- Shimano flat mount type disc brake

- Max tire clearance 700*53C or 650B*2.1''

- Full internal cable routing

- Front 12*100mm thru axle, rear 12*142mm thru axle

- 27.2mm seat post

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LightCarbon 2021 New Gravel Frameset with Integrated Handlebar



LightCarbon 2021 New Gravel Frameset with Integrated Handlebar


High modulus Toray T700 carbon fiber


49, 52, 55, 58(cm)


Lightcarbon specify carbon fork

Handlebar size 400/420/440mm
Stem size 90/100/110/120mm


Straight 1 1/2'' head tube(upper 52mm lower 52mm)  


Frame 980+/-40g/fork 430+/-15g/seat post 190+/-10g/ Handlebar 360+/-15g (Size 52)


27.2mm*400mm (with 25mm offset)

Bottom bracket

Press-Fit BB86

Max tire clearance

700*53C or 650B*2.1''

Max Chainring  Max 53T- Small 39T

Brake mount type

Shimano flat mount disc brake (disc brake bolts length 38.2mm)

Front 12*100mm TA Rear 12*142mm TA
Groupset Mechanical and Di2 compatible (Not compatible with old rear derailleur without B-LINK, eg old 105 5800)
Test Standard ISO4210
Warranty 2 years

Recommended Shimano Gravel Groupset GRX

LightCarbon gravel frameset geometry and size chart

490 520 550 580
SEATPOST INSERT LENGTH 180mm 220mm 250mm 270mm
REACH 374.1mm 377.5mm 386mm 397.1mm
TOP TUBE LENGTH, HORIZONTAL 535mm 550mm 575mm 595mm
STACK 542.6mm 563.4mm 598.6mm 627.1mm
WHEELBASE 1008.9mm 1014.5mm 1029.6mm 1049.8mm
CHAINSTAY LENGTH 430mm 430mm 430mm 430mm
FRONT CENTER 593.8mm 599.4mm 614.5mm 634.5mm
BB DROP 70mm 70mm 70mm 70mm
BB HEIGHT 285mm 285mm 285mm 285mm
SEAT TUBE ANGLE 73.5° 73° 72.5° 72.5°
HEAD TUBE ANGLE 71° 71.5° 72° 72°
SEAT TUBE LENGTH 490mm 520mm 550mm 580mm
HEAD TUBE LENGTH 120mm 140mm 175mm 205mm
BIKE STANDOVER HEIGHT(700C*53C) 776.4mm 793.4mm 833.4mm 863.9mm
BIKE STANDOVER HEIGHT(650B*2.1") 766.4mm 783.4mm 823.4mm 853.9mm
FORK RAKE/OFFSET 50mm 50mm 50mm 50mm
FORK LENGTH, FULL 397mm 397mm 397mm 397mm
TRAIL 69.3mm 66.1mm 62.7mm 62.7mm

Gravel Frameset internal cable routing

A - Rear derailleur cable routing

B - Rear disc brake cable routing

C - Front Derailleur cable routing

D - Front disc brake cable routing

All cables were integrated though handlebar stem through head-tube, integrated design to make the whole complete bike clean and aerodynamic.

Technology we use on gravel frame production

real photo of 3D latex mandrel
3D latex mandrel applied on frame

Use the newest one-piece latex 3D mandrel and molding technology.

Such technology helps to optimize the orthodromic and strength of carbon fiber, and avoid wrinkle inside (wrinkle is a key factor that may cause crack) 

Even using the same material, the strength is improved 30%. 

Tradition method and 3D latex mandrel produce Products Compare

One-piece 3D latex mandrel helps to make smooth inner side of frame.

To achieve same strength, tradition method requires thickness 1mm-1.2mm, while such new technology only requires 0.5mm-0.8mm thickness. Thus, we are able to make the frame about 15% lighter, given strength unchanged
The above picture shows frame made with tradition technology and new 3D latex technology, for tradition method which is with many wrinkle and bubble inside. For 3D latex mandrel which is smooth inside, no wrinkle or bubble.

Our Gravel Frame cross-section

Special Design For the Top Tube

25mm offset  seat post, providing better comfort ability for long distance cycling.
Top tube shaved off at the position near seat tube, which helps to reduce vibration and result in better comfort ability. 

Special Design Gravel Handlebar for This Gravel Frame

In order to optimize the best riding experience for this gravel frameset, we have specified design the best gravel handlebar HBR08 for this model, it has 12 degree expand compare to the normal drop bars, it is more comfortable for rider to handle the bike on a long adventure journey.

LightCarbon gravel bike frameset overview

If you are also interested in gravel carbon wheelset, please click below picture to see detail in another page:

gravel carbon wheelset

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We will reply you within 24h after received your inquiry

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