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2021 New Carbon Gravel Frameset with Integrated Stem System

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2021 New Carbon Gravel Frameset with Integrated Stem System

- 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

  • item no.:

    LCG071S-D
  • product orgin:

    China
  • payment:

    Paypal, Bank transfer, West Union
  • color:

    UD matt(customized painting acceptable)
contact us
  • specification

2021 New Carbon Gravel Frameset with Integrated Stem System

    

Frame                                    

2021 New Carbon Gravel Frameset with Integrated Stem System

Material

High modulus Toray T700 carbon fiber

Size

49, 52, 55, 58(cm)

Fork

Lightcarbon specify carbon fork

Stem size 90/100/110/120mm

Headtube

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

Weight

Frame 980+/-40g/fork 430+/-15g/seat post 190+/-10g/stem (size 52)

Seatpost

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)

Dropout 
Front 12*100mm TA Rear 12*142mm TA
Groupset Mechanical and Di2 compatible 
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. 


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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