Cyclocross & Gravel
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new products
LightCarbon 3D Printed Carbon Saddle High-end Ultra Light Bike Seat Carbon - 3D printed saddle top, honeycomb structure - T800 carbon fiber saddle rail+base - Ultra light weight, only about 149g! - Stiffer 3D print material, more favorable for racing. - Length x Width = 245 x142mm - Rider weight limit 100kgs - Suit 7x9mm seat post clamp - Easy to clean more
LightCarbon Super Light Full Carbon Bottle Cage Bicycle Bottle Holder - Full carbon fiber material - UD Black matte finish - Customized logo is acceptable - Super Light weight, only around 19.5g more
LightCarbon Gravel Rims Widened 26mm Inner Width 700C Carbon Rims For Gravel Bike • Widened 26mm inner width, for 37C-50C tires • 40/45/50 height optional • Reinforced lay-up structure • Designed for CX/Gravel bikes • Tubeless ready • High quality, 2-year warranty more
29mm Width 700C Disc Brake Carbon Road Rims - Widened 23mm Inner Width (29mm outer width) - Optional rim depth: 38/45/50/55/60mm - Clincher (Tubeless Ready) - Wide U shape design, more aero and stiff - High quality carbon rims, with 2-year warranty more
Lightcarbon 3-Spoke Carbon Wheel 120mm Depth 28mm Wide Aero 700C Tri Spoke Carbon Wheel • 120mm depth, 28mm width, better aerodynamics • ProX hub with 36T Ratchet system • Tri-spoke carbon wheel for 700C Road/TT/Track bikes • Clincher (Tubeless), fit 700x28C-45C tire • Black/12K, Matte/Glossy finish optional • Disc-brake & Rim-brake version optional more
Lightcarbon Tri-Spoke Carbon Wheel Undulating Depth Wavy 3-Spoke Carbon Wheels 700C • 75-80mm undulating depth 3-spoke wheels • 28mm outer (22.5mm inner) width • OEM hub with 36T ratchet freehub system • 700C 3-spoke carbon wheel for Road/TT/Track bikes • Clincher (Tubeless), fit 700x30C-45C tire • Both Disc brake & Rim-brake optional more
Lightcarbon 3-Spoke Carbon Wheel Undulating Depth 700C Wavy Tri Spoke Carbon Wheels • 70-75mm undulating depth 3-spoke wheels • 28mm outer (21mm inner) width • OEM hub with 36T ratchet system • 700C tri-spoke carbon wheel for Road/TT/Track bikes • Clincher (Tubeless), fit 700x28C-45C tire • Disc brake & Rim-brake optional more
- Full internal cable routing with stem
- Micro Suspension Pivot design
- Design with downtube storage
- Threaded T47 (85.5mm) bottom bracket
- UDH rear derailleur hanger
- Max tire clearance 700*50C or 650B*2.1'' or 29er*1.95''
- Disc brake (flat mount), for 140mm/160mm rotor
- 2 years' quality warranty
item no.:
LCG074S-Dproduct orgin:
Chinapayment:
Paypal, Bank transfercolor:
UD matt(customized painting acceptable)
Frame
LightCarbon Gravel Bike Carbon Frame With Micro Suspension Pivot Design
Material
High modulus Toray T700+T800 carbon fiber
Size
49, 52, 55, 58 (cm)
Fork
LightCarbon specific gravel carbon fork, 495g ±4%
Headtube
Straight 1 1/2'' head tube(upper 52mm lower 52mm)
Weight (±4%)
1230g/52cm
1280g/55cm
*Weight includes downtube lid
Seatpost
SP03-27.2 (15mm offset, 192g ±4%).
Bottom bracket
Threaded T47 *P1.0 (85.5mm width)
Max tire clearance
700*50C or 650B*2.1'' or 29er*1.95''
Brake mount type
Shimano flat mount disc brake (suitable brake caliper bolt length: 38.2mm)
Stem size
90/100/110/120mm, 140g ±4%
Max Chainring
If use single chainring, max 42T (corresponding chainline=49.7mm ).
If use double chainring, max 54/40T (chainline=44.5mm), min 46-30T (chainline=47mm)
Dropout
Front 12*100mm, Rear 12*142mm Thru-axle. UDH hanger
Groupset
Both Mechanical and Di2 groupset compatible (Not compatible with old rear derailleur without B-LINK, eg old 105 5800)
Test Standard
ISO4210
Warranty
2 years
LightCarbon Gravel Bicycle Frameset LCG074S-D Geometry And Size Chart
| SIZE | 490 | 520 | 550 | 580 |
| BODY HEIGHT (Reference) | 165-172cm | 173-179cm | 180-186cm | 187-194cm |
| Remarks For BODY HEIGHT |
For reference only, may vary due to different body proportions |
|||
| 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 |
LightCarbon Gravel Bike Frameset LCG074S-D Cable Routing
A - Rear derailleur cable routing
B - Rear disc brake cable routing
C - Front derailleur cable routing
D - Front disc brake cable routing
Downtube Storage Design (with small bag optional)
Downtube storage space is a savior for sundries. Keys? Energy gel? Spare inner tube? Or portable tools? LCG074S-D wants to give them a "home". The storage space is a solution for high-intensity outdoor long-distance riding. The goal is to solve the problem of placing some sundries that are necessary for outdoor riding. We took advantage of the large space of the down tube and designed a storage system that can accommodate 2 pcs of 200 ml storage bags. The specific lid is also designed with standard hole for bottle cage. So, in addition to storage space, bottle cage can also be installed same as common bikes.
Micro Suspension Pivot System
· Round shape carbon seatpost, with 15mm offset, hollowed-out design at the top, shock-absorbing effect.
· Micro suspension pivot system incorporates a through-axle in the seat tube of the frame, connecting seat tube and seat stay (and there is a bearing on each side of the axle). Combined with the inherent flexibility of carbon fiber material, this design allows the rear triangle and seatpost area to undergo controlled elastic deformation in both vertical and horizontal directions during riding. As a result, the whole system provides approximately 20mm of suspension travel, enhancing rear wheel traction and overall riding comfort.
Demonstration of the Micro Suspension Effect on LCG074S-D Gravel Frame
Two Versions Of Fork Optional
The default carbon gravel fork is equipped with 3 rivets on each side of the fork leg. Considering that some riders do not intend to put small luggage or bottles on the fork legs (which would interfere with handling), this gravel fork has another option, namely there are no rivet holes on each side. If you prefer a fork without riveted holes, please let us know when placing your order.
Special Design For the Top Tube
The top tube of the frame is narrowed near the junction with the seat tube, effectively reducing vibration transmission to the seat post, improving riding comfort.
Furthermore, when you need to carry bike on your shoulder, this shape also reduces pressure on your shoulder, making it more comfortable to carry and run with the bike.
T47 BB For Shimano 24/Sram DUB 29/30 Crank

More and more new carbon frames are designed with T47 bottom bracket, including those big brands. There are mainly two popular types of BB for T47: Inner diamater 24mm for Shimano standard crank, and Inner diameter 29mm/30mm for Sram standard crank.
To make it more convenient for our customers, LightCarbon also supplies BB as optional part that can be purchased together with our gravel carbon frames. If you want to buy BB from us together with LCG074S-D frame, please let us know when placing frame order.
3D Latex Mandrel Technology Used In Our Carbon Frame Production
Use the newest one-piece latex 3D mandrel and molding technology.
Even using the same material, the strength is improved 30%.
One-piece 3D latex mandrel helps to make smooth inner side of frame.
real photo of our cross-section
3D latex mandrel applied on frame
LightCarbon Gravel Frames Produced With 3D Latex Mandrel vs Other Frames
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.
LightCarbon Gravel Bicycle Frame LCG074S-D Overview
Complete Bike Built With LightCarbon Gravel Frame LCG074S-D
If you are also interested in carbon gravel wheelset, please click the link to see more details in another page.
How To Install LightCarbon Handlebars Properly?

Recommended Torque For Other Parts On LightCarbon Frameset


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