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BMC Twostroke AL Four SX Eagle Mix Mountain Bike

Save £550.00 Save £550.00
Original price £1,349.00
Original price £1,349.00 - Original price £1,349.00
Original price £1,349.00
Current price £799.00
£799.00 - £799.00
Current price £799.00

In Stock | Estimated 5-7 Days Delivery

Frame Size: M

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100% Genuine Product

North Sports are an Authorised Retailer for Leading Brands

Unleash your passion for mountain biking with the BMC Twostroke AL Four SX Eagle Mix, a trail-blazing mountain bike that combines BMC's legendary racing heritage with a sleek, fighter jet-inspired design. Engineered to perfection, this bike is the epitome of style, functionality, and high-performance, tailored for riders who demand excellence on every ride.

Experience the perfect balance of strength and agility with the Twostroke AL Premium Aluminium frame. Crafted using hydroforming technology, this frame offers lightweight durability, ensuring you can conquer challenging trails with confidence and ease.

Conquer any terrain with confidence, thanks to the Twostroke's radical geometry. With a 67° head angle, extended front-end, and a 75° seat angle, this bike delivers precise weight distribution, allowing you to navigate steep descents and loose terrain with unmatched agility and control.

Enjoy a clean and uncluttered look, thanks to the fully guided internal cable routing system. Not only does it enhance the bike's sleek appearance, but it also simplifies installation and maintenance, ensuring your focus remains on the thrill of the ride.

Key Features:

  • Premium Aluminum Frame: Lightweight and durable, crafted with hydroforming technology for optimal performance.
  • Radical Geometry: 67° head angle, extended front-end, and 75° seat angle for precise handling and control.
  • Internal Cable Routing: Streamlined design for a clean aesthetic and simplified maintenance.


  • Material: Twostroke AL Premium Aluminium
  • Features: Hydroformed, Internal Cable Routing
  • Bottom Bracket: BSA Threaded
  • Brake Mount: Post Mount Disc

  • Fork: SUNTOUR XCM 32
  • Gears: 1x12
  • Chainwheel: SRAM SX Eagle 30T
  • Cassette: SRAM SX Eagle 11-50T
  • Chain: SRAM SX Eagle
  • Rear Derailleur: SRAM SX Eagle
  • Shifters: SRAM SX Eagle


  • Model: SRAM Level
  • Rotors: SRAM Centerline (160/160 S-M, 180/160 L-XL)
  • Handlebar: Alloy 760mm
  • Stem: Forged 6061 Alloy
  • Seatpost: Alloy 31.6mm - 0mm Offset
  • Saddle: Selle Royal Seta
  • Hubs: SHIMANO MT400 / MT410
  • Rims: XCD23
  • Tires: Vittoria Barzo 2.25"
  • Tire Clearance: 58mm (Measured Width)
  • Weight Limit: 110 kg
  • ASTM Classification: Level 3
  • Configurable: No
  • Frameset Option: No

We accept the following Cycle schemes: Cyclescheme, Bike2Work, Green Commute Initiative, Vivup and Cycle Solutions.

If your employer is enrolled in a cycle to work scheme or is willing to join, you have the opportunity to save up to 47% on any electric bike available and spread your costs over 12 months.

Already have a cycle to work voucher?

Great! Please request your eCertificate for the total price required from your employer.

Submit your certificate to and our our dedicated team will help finalise your order.

Don't yet have a voucher?

If you are enrolled in a scheme but do not have a voucher, simply request that your employer use their cycle to work scheme and submit a quote for the value of the bike you desire.

Your employer can arrange for a voucher to be issued, which you can send to us in exchange for your new electric bike.

Should I know anything else?

It is important to note that in the UK, only eBikes that comply with EAPC Regulations can be used on public roads without tax, insurance, or registration. More information on EAPC Regulations can be found here:

Welcome to North Sports! We are delighted to offer free UK delivery for orders over £50.

When an order has been placed, the tracking information will be sent to you, if available, at the earliest.

Delivery Courier Services

Your delivery will usually be carried out through the distributor's own courier service. This is to help speed up deliveries for our customers.

Deliveries are Monday-Friday and the courier might be able to deliver on Saturday's for an additional cost.

Our ordering team will always request the courier contacts you on the day of delivery to advise they're on route but please note the driver contacting you is not guaranteed and we only request that this happens.

Pre-Assembled Ready To Ride Delivery

Throughout the website there are selected products with the product option to have pre-assembly, some might be for an additional cost.

Next Day Delivery

Next Day delivery is subject to availability. Please contact us prior via email for us to confirm if this option is available.


If you've changed your mind about keeping your purchase please email, within 14 days from receipt of delivery ensuring you quote your order number. Want to know more? Please visit our full returns page here.