Placeholder BMC Twostroke AL Four SX Eagle Mix Mountain Bike — North Sports Skip to content

BMC Twostroke AL Four SX Eagle Mix Mountain Bike

Save £500.00 Save £500.00
Original price £1,349.00
Original price £1,349.00 - Original price £1,349.00
Original price £1,349.00
Current price £849.00
£849.00 - £849.00
Current price £849.00

Free Delivery | In Stock | Estimated 3-5 Days

Frame Size: M

3D Secure Payments

Credit/Debit Card, Apple Pay, Google Pay, Paypal* or Klarna*

100% Genuine Product

North Sports are an Authorised Retailer for Leading Brands

Elevate your mountain biking experience with the BMC TWOSTROKE AL FOUR SX EAGLE MIX, a mountain bike that combines the legacy of BMC's race-proven Fourstroke with a sleek, fighter jet-inspired design. This bike is a harmonious blend of functionality, aesthetics, and high-end performance, tailored for adventurers who seek both efficiency and style on their rides.

Key Features:

  • High-Performance Frame: The Twostroke AL Premium Aluminium frame, known for its hydroformed construction, offers a lightweight yet robust build. This frame is meticulously engineered for optimum performance in challenging terrains.

  • Radical Geometry: Featuring a 67° head angle, extended front-end, and a 75° seat angle, the bike ensures precise weight distribution, making it ideal for navigating steep and loose terrain with confidence and agility.

  • Efficient Internal Cable Routing: Fully guided internal cable routing not only enhances the bike’s sleek appearance but also simplifies installation and maintenance, ensuring a clean and uncluttered look.

The BMC TWOSTROKE AL FOUR SX EAGLE MIX is not just a mountain bike; it's a symbol of rugged elegance and superior functionality. Whether you're a seasoned trail rider or an enthusiastic beginner, this bike is designed to deliver an unmatched riding experience. Embrace the thrill of mountain biking with this remarkable blend of style, performance, and durability.


  • 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.

Features We Love

Advanced Frame Design with Fighter Jet Aesthetics: With a Twostroke AL Premium Aluminium frame, renowned for its hydroformed, lightweight, and robust construction. This frame, inspired by BMC's race-winning Fourstroke and the sleek design of a fighter jet, provides a unique combination of strength, agility, and aesthetic appeal. Its radical geometry, including a 67° head angle and a 75° seat angle, ensures optimal weight distribution for tackling steep and challenging terrain with ease.

Superior Drivetrain and Braking System: Equipped with a SRAM SX Eagle 1x12 drivetrain, the bike offers a wide range of gears for versatile and smooth shifting across different terrains. The SRAM SX Eagle 30T chain wheel and 11-50T cassette cater to the needs of both climbing and speed. For reliable stopping power, the bike is fitted with SRAM Level brakes and SRAM Centerline Rotors, ensuring consistent braking performance in various trail conditions.

Optimised Comfort and Control: The BMC TWOSTROKE AL FOUR features a carefully selected combination of components to enhance rider comfort and control. It includes a SUNTOUR XCM 32 fork for efficient shock absorption, an Alloy 760mm handlebar for optimal handling, and a Forged 6061 Alloy stem for precise steering.

Shop By Department