Faster is Better
The best of cutting-edge technology meets the iconic design of Officine Mattio. Officine Mattio. The Lemma RT is the flagship of the new RT range, RTan innovative line created for those who seek uncompromising performance. Designed for lightness, aerodynamics, and stiffness, the Lemma RT offers an unparalleled riding experience, combining advanced technologies and premium materials.
CHOOSE YOUR LEMMA RT
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UCI-approved, this model meets the highest standards, making it ideal for both passionate road cyclists and top-level competitors. Every element—from the frame geometry to the choice of components—has been optimized to maximize efficiency and reduce weight, delivering outstanding performance in any condition.
FEATURES
ACCELERATION
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AERODYNAMICS
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KOM PERFORMANCE
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HANDLING
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LIGHTNESS
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Comfort
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DRIVING PLEASURE
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Elegance
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MATERIAL | CARBON 1K /UD / T1100G |
Weight | 750 gr - Fork 360 gr |
GEOMETRY | STANDARD - CUSTOM |
COLORS | STANDARD - CUSTOM |
FORK | OM RT (350 grams, not painted) |
HEAD TUBE | 1″1/2 – 1″1/2 |
BOTTOM BRACKET | PF 386 EVO |
SEATPOST | Ø 27.2 mm |
BRAKES | DB - FLAT MOUNT |
CABLE ROUTING | Full hidden cable routing (all groupsets) |
MAX. TYRE CLEARANCE | Front: 35 mm / rear 32 mm |
External cable routing






STOCK SIZES

- A Horizontal top tube length (mm)
- B Measured size (mm)
- C Seat tube angle
- D Head tube angle
- E Chainstay length (mm)
- F Fork rake (mm)
- H Wheelbase (mm)
- I Trail (mm)
- J Standover at top tube/midpoint (mm)
- K Bottom bracket drop (mm)
- L Front center distance (mm)
- M Head tube lenght (mm)
- N Stack (mm)
- O Reach (mm)
- HT Axle to crown (mm)
A | B | C | D | E | F | H | I | J | K | L | M | N | O | HT | H min | H max | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
48 | 510 | 440 | 74.8° | 71° | 408 | 43 | 967 | 73 | 733 | 75 | 570 | 111 | 522 | 366 | 375 | 155 | 165 |
50 | 520 | 460 | 74.5° | 71.5° | 408 | 43 | 971 | 69 | 747 | 74 | 574 | 117 | 528 | 372 | 375 | 160 | 170 |
52 | 537 | 485 | 74.0° | 72° | 408 | 43 | 977 | 66 | 765 | 72 | 583 | 125 | 536 | 382 | 375 | 165 | 175 |
54 | 545 | 510 | 74.0° | 72.5° | 408 | 43 | 985 | 63 | 787 | 70 | 587 | 143 | 553 | 386 | 375 | 170 | 180 |
56 | 560 | 530 | 73.5° | 73° | 410 | 43 | 993 | 60 | 805 | 69 | 593 | 159 | 568 | 391 | 375 | 175 | 185 |
58 | 576 | 550 | 73.0° | 73° | 412 | 43 | 1002 | 56 | 826 | 67 | 599 | 181 | 587 | 396 | 375 | 180 | 190 |
60 | 590 | 575 | 72.5° | 73.5° | 412 | 43 | 1010 | 56 | 847 | 67 | 607 | 200 | 607 | 400 | 375 | 185 | 195 |
63 | 600 | 605 | 72.0° | 73.5° | 412 | 43 | 1014 | 56 | 868 | 67 | 611 | 221 | 627 | 397 | 375 | 190 | 200 |
A | B | C | D | E | F | H | I | J | K | L | M | N | O | HT | H min | H max | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
48 | 510 | 440 | 74.8° | 71° | 408 | 43 | 967 | 73 | 733 | 75 | 570 | 111 | 522 | 366 | 375 | 155 | 165 |
50 | 520 | 460 | 74.5° | 71.5° | 408 | 43 | 971 | 69 | 747 | 74 | 574 | 117 | 528 | 372 | 375 | 160 | 170 |
52 | 537 | 485 | 74.0° | 72° | 408 | 43 | 977 | 66 | 765 | 72 | 583 | 125 | 536 | 382 | 375 | 165 | 175 |
54 | 545 | 510 | 74.0° | 72.5° | 408 | 43 | 985 | 63 | 787 | 70 | 587 | 143 | 553 | 386 | 375 | 170 | 180 |
56 | 560 | 530 | 73.5° | 73° | 410 | 43 | 993 | 60 | 805 | 69 | 593 | 159 | 568 | 391 | 375 | 175 | 185 |
58 | 576 | 550 | 73.0° | 73° | 412 | 43 | 1002 | 56 | 826 | 67 | 599 | 181 | 587 | 396 | 375 | 180 | 190 |
60 | 590 | 575 | 72.5° | 73.5° | 412 | 43 | 1010 | 56 | 847 | 67 | 607 | 200 | 607 | 400 | 375 | 185 | 195 |
63 | 600 | 605 | 72.0° | 73.5° | 412 | 43 | 1014 | 56 | 868 | 67 | 611 | 221 | 627 | 397 | 375 | 190 | 200 |