SP - Shimano Ultegra (Mechanical)
2512501
100% adjustable, aero and affordable. The SP has it all. We worked closely with Kevin Quan Studios to develop the SP to fit you, and not the other way around. From the SAG Stem to the SA Seat Post, you can find any position imaginable.
Shimano Ultegra Mechanical is Shimano’s second-highest performance groupset and features upgrades such as lighter weight and more precise shifting. Functionally, it performs with Shimano’s top-tier components but maintains a more affordable price based on materials. This is an excellent choice for athletes who want top shifting performance but aren’t ready or interested in electronic shifting.
Mechanical disc brakes means both cost savings and easy adjustments at home without the need for specialized hydraulic tools. Finally, the Vision TriMax alloy cockpit keeps you aero and race-ready without breaking the bank, meaning that you can focus on racing more.
5nm torque wrench included in your order for bike setup. We highly recommend taking your bike to your local bike shop to finish setup especially if you have ordered Di2 or need any assistance in the final steps of setup. For more information on how to set up your SP, head to our SP setup page.
SP Component Guide
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SP Fit Calculator
SP Geometry Guide
Geometry (mm) | Small | Medium | Large | Extra Large | |
A: | Stack | 460 | 493 | 527 | 560 |
B: | Reach | 371 | 394 | 416 | 439 |
C: | HT | 53 | 87.5 | 123 | 157.5 |
D: | Rear Center | 410 | 410 | 410 | 410 |
E: | Front Center | 540 | 573 | 605 | 638 |
F: | Wheelbase | 940 | 972 | 1005 | 1038 |
G: | BB drop | 70 | 70 | 70 | 70 |
H: | ST angle | 78 | 78 | 78 | 78 |
I: | HT angle | 73 | 73 | 73 | 73 |
J: | TT (effective) | 469 | 499 | 528 | 558 |
K: | ST (effective) | 500 | 520 | 540 | 580 |
L: | Wheel size | 700c | 700c | 700c | 700c |
M: | Fork length | 367 | 367 | 367 | 367 |
N: | Fork offset | 43 | 43 | 43 | 43 |
A2 Bikes offers two shipping options:
(1) Free Warehouse Pickup (Only Available in Portland OR); or
(2) Boxed Shipping: $199 (required for some locations; or
Buying a bike shouldn't be a stressful experience. That's why we work with you during the purchasing process to ensure you get the perfect bike to fit your needs. If you need to exchange or return your bike, contact our customer service team within 30 days of purchase if you need to exchange your bike. A2 is happy to provide free exchanges on all bikes that we produce. Should you need to return your bike outright, we understand and can accept that as well. Shipping is not refundable. Please address the shipping label that you purchase to:
A2 Bikes
Attn: Brandon Smith
5755 Jean Road
Suite 103
Lake Oswego, OR 97035
Note: All custom builds, demo, used bike sales, and discounted sales (including but not limited to Black Friday/Cyber Monday, and other one-off sales) are non-refundable and FINAL SALE.
Bikes that are returned must be returned in the original packaging in a "like new" condition. A2 Bikes reserves the right to assess a restocking fee* of up to 30% should bikes be returned with any damage. Should a restocking fee be assessed, the consumer has the option of repossessing the damaged bike at their expense.
How to Complete a Return
- Contact info@a2bikes.com: and let us know whether you intend to obtain a free exchange or are returning the bike for other reasons.
- Re-box your bike: Package your A2 bike exactly as you received it. If you need any help please reference this VIDEO.
- Ship your bike: You may use any shipping service to return your bike to us, but we recommend BikeFlights.com.
- A2 inspection: Upon receiving your bike at our Portland, Oregon facility, it will be inspected by our team for damage and unusual wear. Products returned in a new, unused condition will receive a full refund. Please note that products returned with significant, visible signs of wear or missing components/accessories may be subject to a restocking fee as high as 30%*. A2 will not accept returns of products damaged beyond resalable condition due to crash or damage due to insufficient packaging on the customer's part. In the case that A2 does accept a damaged return it may be subject to a higher restocking fee.
- Refund issued: Once your return is verified by our team, a refund will be issued to the original payment type. Refunds may take up to one month for processing.
*Restocking Fee. Products expressing significant signs of use, wear or visible damage, may be subject to a restocking fee. Depending on the severity of damage to the bicycle, A2 may charge up to 30% of the stated full MSRP of the product. The restocking fee will either be deducted from the final refund amount or assessed in a single invoice to the customer. Failure to pay this amount will result in your account being sent to collections. If a restocking fee is assessed, customers will have the option of repossessing their returned bike at the cost of shipping. The following images are examples of damage that would result in a restocking fee:
- Low stock - 2 items left
- Inventory on the way