MARS-D
Size
Technical specifications
Description
Speed, comfort, and control. Lightweight alloy, carbon fork, and Shimano Claris. Aluminium frame Carbon fork Shimano Claris 16-speed Mechanical brakes 9.5kg net weight
Meet the SUNPEED MARS-D — built for riders who want speed with everyday comfort and confident handling. The lightweight aluminium frame and carbon fork create a responsive platform that feels stable, efficient, and easy to ride.
Shimano Claris delivers smooth, dependable shifting, while the ANV wheelset and reliable mechanical brakes keep everything predictable and controlled. Whether you’re starting out or chasing your next personal best, the MARS-D is a fast, practical road companion.
- FrameSUNPEED MARS-D aluminium frame 700C (axle)
-
ForkSUNPEED MARS-D carbon fork 700C (axle)
Wheelset
- Front hubANV 391F, 28H, aluminium, 2 sealed bearings, axle
- Rear hubANV 391R, 28H, aluminium, 2 sealed bearings, axle
- SpokesSLE Competition straight pull (45#)
- RimsANV TX-30 aluminium double layer rims, 30mm
-
TyresCST CRD-02 700×28C (F/N)
Drivetrain
- ShiftersShimano Claris R2000, 16-speed
- Front derailleurShimano Claris R2000, 2-speed
- Rear derailleurShimano Claris R2000, 8-speed
- CassetteSunshine HR8-28, 11–28T, 16-speed
- CranksetProwheel OUNCE-421-TT, 50/34T, 170mm
- Bottom bracketProwheel integrated TT PW-BB86
-
ChainKMC HV700 NP, 112L, silver (S8)
Brakes & components
- BrakesC180F/R aluminium mechanical brake (front & rear)
- Brake leversShimano Claris R2000
- SeatpostANV aluminium post, 27.2
- Seat clampANV MARS-D hidden aluminium
- SaddleANV-K345 middle hollow saddle
- HeadsetANV fully hidden sealed cartridge bearings
- StemANV separate aluminium
- HandlebarANV aluminium, 420mm
- GripsCarbon fibre pattern grips
- PedalsGineyea M952
- Net weight9.5kg
Geometry & sizing
All measurements in mm unless stated otherwise.
| Spec | S | M | L | XL |
|---|---|---|---|---|
| Recommended rider height (cm) | 156–166 | 166–172 | 171–178 | 177–185 |
| Hip height (O) | 718.4 | 745.3 | 772.7 | 796.8 |
| Stack (C) | 515 | 532 | 551 | 561 |
| Reach (B) | 374 | 377 | 376 | 384 |
| STR | 1.38 | 1.41 | 1.47 | 1.46 |
| Seat tube (D) | 450 | 480 | 510 | 540 |
| Top tube (A) | 521.8 | 530 | 534.3 | 545.5 |
| Head tube (F) | 120 | 135 | 155 | 165 |
| Seat tube angle (G) | 74° | 74° | 74° | 74° |
| Head angle (K) | 71° | 72° | 72° | 72° |
| Rear center (I) | 410 | 410 | 410 | 410 |
| Front center (N) | 580 | 580.9 | 585.9 | 596.8 |
| Wheelbase (H) | 979.1 | 980 | 985 | 996 |
| BB drop (J) | 72 | 72 | 72 | 72 |
| Fork length (L) | 364 | 364 | 364 | 364 |
| Fork rake (M) | 47 | 47 | 47 | 47 |
| Handlebar width | 400 | 400 | 420 | 420 |
| Riser length (E) | 80 | 80 | 100 | 110 |
| Crank length | 170 | 170 | 170 | 170 |
Tip: If you are between sizes, we generally recommend sizing down for a sportier fit.
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Frequently asked questions
I'd like to buy this item. How do I proceed?
Ready to buy a bike? Here's how it works:
- Make an Offer:
Start by submitting an offer to the seller. You can offer the asking price or suggest a lower amount, it's up to you! The seller will then have the option to accept, decline, or make a counteroffer. - Secure Payment:
Once the seller accepts your offer, you'll receive a payment link via email. You can securely complete your purchase using a credit/debit card, PayPal, or Klarna. - Order Confirmation:
After payment, the seller will receive an order confirmation so they can arrange fulfilment of the bike.
You can either collect the bike in person or arrange to have it shipped to you by our specialist delivery partner.
I'd like to negotiate the price, how do I do this?
Whether you would like to purchase the bike for asking price, or try to get a better deal, we ask all buyers to submit an offer to the sellers first. Once an offer is accepted, you will be sent a payment link to complete the purchase!
- Click the "" button on the listing page.
- Enter your contact details and the amount you'd like to offer.
- The seller will either accept, decline or make a counteroffer.
- You will receive the outcome via email so keep your eyes peeled!
- Once you've agreed on the price, you'll be sent a payment link to complete the purchase.
- Your new bike will be shipped to you!
How can I contact the seller?
If you would like to ask the seller a question about the bike, then please use the Contact seller button above. The seller will receive your question by email.
If you have any questions on shipping, collections or returns, then feel free to reach out to us directly.
How long does delivery take, and how much does shipping cost?
Shipping costs are fixed at £89 no matter where you're living in the U.K.
We aim to deliver your new bike within 4-7 days* of placing an order. Here's the process:
- Once an order is placed, we contact the seller to arrange a suitable date for our delivery partner to collect the bike.
- The bike will then be delivered to you, typically the same day it's been collected from the seller.
- You're ready to ride! Our couriers collect and deliver the bikes without the need for them to be disassembled.
*Please note that delivery times may be longer if the seller is not at home for the couriers to collect the bike within the 4-7 day period.
Can I collect in person?
Yes! You can collect the bike from the seller yourself. We ask that you agree on a price first and follow the standard checkout process before arranging the meet-up.
This ensures that all transactions are completed securely on the MyNextBike platform.
Collection process
- Agree on a price with the seller
- Complete the purchase: You will be sent a payment link to finalise the transaction.
- Select "Collect in Person" at checkout
- Arrange the collection or viewing date
- Confirm whether you leave with the bike
Can I test ride the bike first?
Yes you can! It's the same process as if you are collecting the bike. We ask for buyers to agree a price first and follow the standard checkout process. This ensures that all transactions are completed securely on the MyNextBike platform, allowing us to provide buyer and seller protections.
How does buyer protection work?
Our Buyer Protection policy is in place to prevent any mis-selling on the platform and ensure you get exactly what you paid for! If the bike arrives "not as described", such as there is damage that wasn't disclosed in the listing, or the specifications are wrong, then you can return it to the seller free of charge. Simply contact our support team and we will arrange this for you. To learn more, please read here.

