LightCarbon LCG074S-D geometry
LightCarbon LCG074S-D (carbon gravel) has 4 published frame sizes. Stack 542.6–627.1 mm; reach 374.1–397.1 mm. Sources, weights and tyre clearance where available.
Gravel · carbon · Model year not specified
Measurements
Lengths in mm · Angles in degrees Select + beneath a size to compare
| Frame size | 490 | 520 | 550 | 580 |
|---|---|---|---|---|
| Stack mm | 542.6 | 563.4 | 598.6 | 627.1 |
| Reach mm | 374.1 | 377.5 | 386 | 397.1 |
| Effective top tube mm | 535 | 550 | 575 | 595 |
| Seat tube length mm | 490 | 520 | 550 | 580 |
| Head tube length mm | 120 | 140 | 175 | 205 |
| Head tube angle ° | 71 | 71.5 | 72 | 72 |
| Seat tube angle ° | 73.5 | 73 | 72.5 | 72.5 |
| Chainstay length mm | 430 | 430 | 430 | 430 |
| Wheelbase mm | 1008.9 | 1014.5 | 1029.6 | 1049.8 |
| Bottom bracket drop mm | 70 | 70 | 70 | 70 |
| Bottom bracket height mm | 285 | 285 | 285 | 285 |
| Fork length mm | 397 | 397 | 397 | 397 |
| Fork offset mm | 50 | 50 | 50 | 50 |
| Trail mm | 69.3 | 66.1 | 62.7 | 62.7 |
| Standover height mm | 766.4 | 783.4 | 823.4 | 853.9 |
| Front centre mm | 593.8 | 599.4 | 614.5 | 634.5 |
— Not published in the collected chart. Size labels follow the manufacturer.
Frame and fork weight
- Frame: 1230 g · size 520
UD matte listed finish; includes downtube lid; manufacturer tolerance ±4%.
- Frame: 1280 g · size 550
UD matte listed finish; includes downtube lid; manufacturer tolerance ±4%.
- Fork: 495 g
Default fork with three mounting rivets on each leg; manufacturer tolerance ±4%. Alternate fork without rivet holes is offered, but its weight is unspecified. Size, finish, and steerer trim unspecified.
Tyre clearance
- Up to 50 mm · 700C
Manufacturer maximum; actual tyre dimensions depend on rim.
- Up to 53.34 mm · 650B
Published 2.1 inches converted using 25.4 mm/inch.
Sources
Reviewed 2026-09-29
Measurement and frame notes
- Published manufacturer table; standover uses the 650B × 2.1-inch configuration. The alternative 700C standover row specifies 53C, exceeding the stated 50C clearance, so it is not used.
- LCG074S-D has micro-suspension; published static geometry is not sag-adjusted.