Marin DSX 3
The Marin DSX 3 gives you everything you need in a flat-bar gravel bike. It features comfortable hand positions you're used to, a simple and reliable 1x drivetrain, large tire clearance and dropper post routing for better off road control. So, whether you're racking up road miles, commuting to work or enjoying flowy singletrack, this bike is built for it all.
The DSX 3 is built around the same Series 3 frames and carbon fork as the DSX 2, but with SRAM's wide-range Apex 1 x 12 speed drivetrain and DB-300 hydraulic disc brakes and Vee Tire's grippy and compliant Quickstyk tires.
Highlights
Tire Clearance: The DSX comes stock with 700x45mm tires, with room for 29x2.1” knobbies.Disk Brake: The DSX features the latest flat mount disc brake standard for smooth, controlled stopping in all conditions with minimal maintenance.
Geometry

Dimension | S | M | L | XL | |
---|---|---|---|---|---|
A | STACK mm | 544.4 | 572.5 | 600.6 | 628.7 |
B | REACH mm | 380 | 405 | 420 | 435 |
C | HEAD TUBE ANGLE | 69.5° | 69.5° | 69.5° | 69.5° |
D | HEAD TUBE LENGTH mm | 120 | 150 | 180 | 210 |
E | SEAT TUBE ANGLE | 74° | 74° | 74° | 74° |
F | SEAT TUBE LENGTH mm | 430 | 480 | 520 | 558 |
G | TOP TUBE EFFECTIVE mm | 536.1 | 569.2 | 592.2 | 615.3 |
H | BB HEIGHT mm | 279.5 | 279.5 | 279.5 | 279.5 |
I | BB DROP mm | 80 | 80 | 80 | 80 |
J | CHAIN STAY mm | 425 | 425 | 425 | 425 |
K | WHEEL BASE mm | 1024.42 | 1060 | 1085.4 | 1110.9 |
L | STAND OVER HEIGHT mm | 658.76 | 700.51 | 730.39 | 758.5 |
M | FORK OFFSET mm | 50 | 50 | 50 | 50 |
SEATPOST DIAMETER mm | 27.2 | 27.2 | 27.2 | 27.2 | |
HANDLEBAR WIDTH mm | 640 | 680 | 680 | 680 | |
STEM LENGTH mm | 70 | 70 | 70 | 70 | |
CRANK LENGTH mm | 170 | 175 | 175 | 175 |
FAQs: Marin DSX 3 2025
Basics
What size bike do I need?
What is Invisiframe and is it worth fitting it to the Marin DSX 3?
What is tubeless setup and can the Marin DSX 3 be set up tubeless?
What equipment & info will the bike arrive with?
Is it possible to see the Marin DSX 3 in your showroom & is it possible to have a test ride or demo it?
What type of bike is the Marin DSX 3 and what is it designed for?
How should you clean & maintain the Marin DSX 3?
I'm new to riding, what essential bits of kit do I need to get going?
Where can I ride the DSX 3?
Technical
Where can I find all of the major components that come on the bike?
Can you fit a water bottle on the bike?
What warranty comes on the Marin DSX 3?
Does the DSX 3 come with pedals?
Can I get hold of spare / replacement parts easily for the DSX 3?
Can I add upgrades to the bike?
Purchasing
Why choose MTB Monster?
Do you offer 0% finance for the DSX 3?
Do you accept Cycle To Work vouchers? How does it work?
I'm still sorting my payment method, can I reserve a bike?
The bike is not yet in stock, can I pre-order one?
How will the bike be delivered & what are the setup requirements?
What are the delivery options?
Can I collect the bike in the store?
I still have more questions, can I speak to someone?
- FRAME:
- Series 3 DSX, 6061 Aluminum, Tapered Head Tube, Relieved BB, Internal Cable Routing, Mudguard and Rack Mounts, Flat Mount Disc, 142x12mm Thru-Axle
- FRAME MATERIAL:
- Aluminum
- FORK BRAND:
- Marin (Rigid)
- FORK:
- Marin Full Carbon w/ Tapered Steerer, 12mm Thru-Axle, Flat-Mount Disc, Fender Eyelets
- FORK TRAVEL:
- Rigid Fork
- WHEEL SIZE:
- 700 c
- WHEELS:
- Rims: Marin Aluminum Double Wall, 21mm Inner, Disc Specific, Tubeless Compatible / Front Hub: Forged Aluminum, 100x12mm, Disc, 32H / Hub Rear: Shimano Forged Aluminum, 142x12mm, XDR, Disc, 32H / Spokes: 14g Black Stainless Steel
- TYRES:
- Vee Tire Co., QuikStyk, 700x45,Folding Bead, Tubeless Compatible
- DROPPER SEATPOST:
- No
- SEATPOST:
- Marin Alloy
- SADDLE:
- Marin DSX
- CRANKSET:
- SRAM Apex 1, 40T
- STEM:
- Marin 3D Forged Alloy
- GRIPS:
- Marin MTB
- SHIFTERS:
- SRAM NX 12-Speed
- BRAKE BRAND:
- SRAM
- HYDRAULIC BRAKES:
- Yes
- BRAKES:
- SRAM DB-S300 Flat Mount Hydraulic Disc, 160mm Rotor
- FRONT DERAILLEUR:
- N/A
- REAR DERAILLEUR:
- SRAM Apex 1, 12-Speed
- CHAIN:
- SRAM NX Eagle
- NUMBER OF GEARS:
- 12 Speed
- PEDALS:
- Nylon Platform
- FRONT MUDGUARD:
- MTB Monster Mudguard
- EXTRAS:
- Bolt-On Thru-Axles F and R
- PLEASE NOTE:
- Specifications, pricing, and availability are subject to change without notice.