2026 AERO Design T47 Bracket Gravel Bike Frame FM316

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The FM316 is Mondince's premium carbon gravel frame, engineered for the perfect balance of aero efficiency and all-day adventure comfort. Built with 100% Toray grade T800/T1000 carbon fiber, this frame weighs just 1150g while maintaining exceptional stiffness for responsive handling on mixed terrain.

The standout feature is its integrated downtube storage – a watertight compartment perfect for stashing tools, tubes, and snacks without bulky frame bags. The T47 bottom bracket and UDH hanger represent the latest gravel standards, ensuring future-proof compatibility and enhanced frame stiffness.

Whether you're racing gravel or embarking on multi-day bikepacking trips, the FM316 delivers the performance and practicality you need. OEM customization available for geometry, painting, and branding.

Weight 1150g
Material Toray T800/T1000
Tire Clearance 50mm
Test Standard 1.3 Times Tested

Color Options

Custom Colors Available - Provide YS/Pantone Code

Size Size Guide

XS (49cm)
S (52cm)
M (54cm)
L (56cm)
XL (58cm)
XXL (61cm)
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2-Year Warranty
Free Shipping Worldwide
5-10 Days Delivery
Secure Payment
Payment Methods:

Frame Detail

Aero Gravel Bike Frame
Aero Gravel Bike Frame
Downtube Storage Room
Downtube Storage Room
T47 Bracket
T47 Bracket
Max 50mm Tire
Max 50mm Tire
Hidden Seatpost Clamp
Hidden Seatpost Clamp
Specification Details
Material 100% Toray Grade T800/T1000 Carbon Fiber
Frame Weight 1030-1180g for Raw Finished(XS-XL); 42g for Downtube Cover Raw Finished;
Fork Weight 430g ± 15g (Uncut); Tapered Crown; 28.6mm Steer Tube
Tire Clearance 700c x 50mm / 650B x 2.1"; 5mm Tire Clearance
Bottom Bracket T47 85.5mm
Front Derailleur 1*12/2*12 Shimano Or Sram; Cover Provided For 1X
Seatpost 27.2mm Round, 7*7mm/7*9mm Compatiable
Hanger UDH (Universal Derailleur Hanger), 1.0mm Pitch
Brake Type Disc Brake (Flat Mount)
Rotor Size (Max) 160/180mm (Front), 140/160mm (Rear)
Axle Standard AL7075 Anodized Black, 12x125mm*1.0P (Front) / 12x174mm*1.0P (Rear)
Headtube 1-1/2" Upper and Lower (Integrated); 52mm ID, 56mm OD
Bearing Size 52mm OD, 40mm ID Upper And Lower; 7mm Height Upper, 7.5mm Height Lower
Frame Sizes XS, S, M, L, XL
Pacakges Included Frame, Fork, Seatpost, Axles, Headset And Bag
Key Features Integrated Downtube Storage, Aero Seatstay, Flip Chip (45/50mm Rake)
Air Hole UDH Hanger T47 Carbon Gravel Bike Frame

Air Hole UDH Hanger T47 Carbon Gravel Bike Frame

Factory Capacity

Lead Time: 3000 Sets Per Month

Customized Painting: Accepted

OEM Service: Accepted

MOQ: 50 sets

Sample: Provided

AERO Design T47 Bracket Gravel Bike Frame

AERO Design T47 Bracket Gravel Bike Frame

Frame Data Sheet

Stem Recommend For 395mm A-C Fork

XS:40-50mm; S:50-60mm; M:60-70mm; L:70-80mm; XL:70-80mm

Provided Headset With Cable Out From Headtube;

Separated Stem And Bar Recommend;

Crankset Recommend:160mm/165mm For 395mm Fork; 

 

Material: 100% Toray T800/1000 Carbon Fiber

Frame Weight: 1030g+-30g(XS, Raw Finished ); 12*142mm

Fork One: 12*100mm, 45/50mm Rake, 395mm A-C;

                  430g+-15g(UD Matt);Flip Chip;

Rotor:160/180mm Front; 140/160mm Rear;

Max Tire: 650B*2.1''/700C*50mm

Size: XS/S/M/L/XL

Seatpost: 27.2mm

Key Features:

  • 395MM A-C GRAVEL FORK
  • GRAVEL RACING STYLE
  • 45/50MM FLIP CHIP
  • T47 85.5MM BRACKET
  • INDEPENDENT STORAGE SPACE
  • AERO SEATSTAY DESIGN
  • HEADTUBE: 1-/2" UP AND DOWN
  • UDH HANGER

     395mm Carbon Gravel Bike Frame Geometry

SIZE A
Seat Tube Length
B
Top Tube Length
C
Headtube Length
D
Chainstay Length
E
Front Center
F
Seat Tube Angle
G
Head Tube Angle
H
BB Drop
I
Fork Length
J
Fork Rake/Offset
K
Wheelbase
L
Stack
M
Reach
XS 410 515.8 101 425 573 / 578 75° 71° 85.5 395 45 / 50 992 / 997 540 375.8
S 450 546.4 125 425 614 / 619 75° 71° 85.5 395 45 / 50 1025 / 1029.5 562 400
M 480 576.7 146 425 646 / 651 75° 71° 85.5 395 45 / 50 1056 / 1061.5 581 425
L 510 594.9 176 425 666 / 671 75° 71° 85.5 395 45 / 50 1080 / 1085 610 435
XL 540 626.4 198 425 699 / 704 75° 71° 85.5 395 45 / 50 1110 / 1115 632 460.5

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Frequently Asked Questions

For small orders, we accept PayPal, bank transfer, or Western Union.

For bulk orders, a 30% deposit by T/T (bank transfer) is required.

Lead time depends on the complexity of the paint design and frame production.
 
Normally, production takes 45 days plus an additional 15 days for painting.
 
For urgent orders, we can prioritize your production schedule, so lead time is negotiable.

All products shipped to customers undergo stiffness testing and functional inspection, and are carefully packed before delivery.

  1. For our standard-weight frames, we use Toray T700 and T800 carbon fiber.
  2. For customers looking for lightweight frames, we use T800 and T1000 carbon fiber.
 
All frames are tested to 1.3 times the ISO 4210 standard. We can also provide EN certification upon customer request.
  1. We normally use UD carbon weave, as most customers prefer to apply their own custom paint.
  2. If no custom painting is requested, we can offer 3K carbon weave instead.
 
The carbon weave pattern is based on your requirements, and we will produce accordingly.
For OEM/ODM brands, we can provide free samples for quality inspection first. You will only need to cover the shipping cost.
 
If you would simply like to verify our product quality, you will be required to pay 50% of the frame cost plus shipping fees.
 
Feel free to contact us for sample evaluation. We look forward to cooperating with you.

It allows you to carry essentials (multi-tool, spare tube, CO2, snacks) without needing a frame bag, keeping the bike's aerodynamics clean and your gear secure from the elements. It's a game-changer for bikepacking and long unsupported rides.

Certainly, we can provide 3D drawings for you. However, you will need to provide us with the tube shape and geometric specifications.
 
Additionally, we can produce a 3D-printed frame prototype prior to making the steel mold.

Yes, as an OEM manufacturer, we offer full custom geometry and layup services for brand partners. The MOQ for custom frames is 50 sets. Additional bottle mounts or custom rack mounts can be discussed during the design phase.

Absolutely. The aero seatstay and fork design, combined with the stiff T47 bottom bracket, make it highly efficient for power transfer. Many of our brand partners use the FM316 as the base for their gravel race team frames.

 FM316 can use max 700*50mm tire with 5mm clearance.  For gravel riding, we recommend 45mm. The fork has additional clearance for mud and bikepacking.

Yes! We offer full custom painting services. Provide your YS or Pantone color code. Custom paint MOQ is 30 sets. We can also apply your brand logos and graphics.

All Mondince frames come with a 2-year warranty against manufacturing defects. We also offer after-sales support for any technical questions. Our frames are tested to 130% of ISO 4210 standards.

The FM316 features a T47 85.5mm threaded bottom bracket. This standard provides a larger bearing size for increased durability, easier maintenance with no press-fit creaking, and wider compatibility with modern cranksets.

Technology Highlights

Toray Grade Carbon

Premium Japanese carbon fiber

1.3 Times ISO Tested

Exceeds safety standards by 1.3 Times

Custom Painting

Any RAL/Pantone color

Custom Geometry

Tailored fit available

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