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Delivered ready to ride in 10 to 14 days.

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Select the product you are interested in, click delivery, type in your postcode, and select Bike Delivery. If this is not available there is no available stock nearby.

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Bike Build

Your bike will be built up at your local 99 bikes by one of our expert mechanics and safety checked prior to delivery.

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Your bike is delivered to your door by a 99 Bikes expert who will walk you through your new bike and answer any questions you may have.

Next Business Day Delivery


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Delivered before 8pm next business day.

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About Box Bike Delivery


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Delivered boxed in 2 - 4 weeks

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Your bike will be sent boxed through a courier to your delivery address. Authority to leave must be provided.

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Your bike will be delivered to your delivery address within 2 - 4 weeks

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BMC Twostroke AL SIX XC Hardtail Mountain Bike Gunmetal Grey

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Up to 12 months interest free


Perfect Ride Guarantee
If you don't love it, you can swap it, up to 30 days from purchase!* Learn more »

Free Bike Build
We'll build your bike for free when you click and collect at any 99 Bikes store.

First Free Tune-up
Every bike come with a complimentary free tune-up and safety check.

Please note that, in order to reduce production and delivery times, bike specifications are subject to change by the manufacturer without notice. Please be aware that these changes might not be reflected on product pages and images.

The BMC Twostroke AL Six offers incredible cross-country performance thanks to its lightweight aluminium frame. With a design inspired by fighter jets and sharing elements with BMC's renowned Fourstroke MTB, the Twostroke strikes the perfect balance of form, function and performance to combat any terrain you throw at it. With a radically aggressive geometry designed for attacking steep and loose terrain, the BMC Twostroke AL ensures perfect weight distribution and redesigned, wider chainstays are able to accommodate large, modern XC tyres and feature moulded covers to ensure durability.

The BMC Twostroke AL Six features Shimano's ever-present 10-Speed wide-range Deore drivetrain paired with a 32T lightweight alloy crank for efficient climbing, while a Suntour XCM 30 fork has been equipped to provide excellent levels of rebound and cushioning. If you're after an aggressive, confident cross-country hardtail, then look no further than the nimble BMC Twostroke AL Six.


Shimano Deore 10-Speed Drivetrain

Featuring Shimano Deore 1 x 10 drivetrain and a Suntour cassette, this bike offers a wide range of gears to help you climb and descend with ease.

Hydroformed Aluminium Frame

Featuring Twostroke AL Premium Aluminium, this frame is hydroformed for a sleek, aerodynamic look. The aluminium is both strong and lightweight, while the internal cable routing reduces drag and catching points. 

Hydraulic Disc Brakes

Hydraulic disc brakes offer better braking performance in all conditions, indlucing wet weather and offroad. The hydraullic system offers greater control and better feedback through your levers for increased braking confidence! 

Questions Answered

What is the BMC Twostroke AL Six used for?

The BMC Twostroke AL Six XC is made for Cross Country mountain biking. Perfect for rough trails, rough unpaved roads, and rough terrain and unimproved trails that require technical skills. Jumps and drops are intended to be less than 61cm (24”).

Why is the BMC Twostroke AL Six different?

Offering amazing features at an affordable price, the Twostroke AL Six has amazing geometry designed to handle more aggressive trails with ease. This is combined with a Shimano Deore drivetrain and Suntour cassette, Shimano hydraulic disc brakes and the Suntour XCM 30 Fork to make a cross country machine at a reasonable price.

Who is the BMC Twostroke AL Six designed for?

The Twostroke AL Six is designed for cross country riders who are looking to start to ride the rougher trails. This bike has a maximum weight limit of 110kg.

More Information
SKU Bmc22Twostrokealsix
Season 2022
Sizing SKUs SM: BMMB22001104, MD: BMMB22001105, LG: BMMB22001106, XL: BMMB22001107
Click & Collect Yes
Colour Silver
Frame Alloy
Frame Material Alloy
Fork Brand Suntour
Front Travel 120mm
Speeds 1 x 10
Front Gears Single
Groupset Brand Shimano
Groupset Shimano Deore
Rear Gears 10 Speed
Crankset Lightweight Forged Alloy Cranks, 32T 1x Specific Narrow Wide chainring
Chain KMC 10 spd
Brake Type Hydraulic Disc Brake
Brakes Shimano BR-MT200 / Shimano SM-RT30 Rotors (160/160 S-M, 180/160 L-XL)
Shifters Shimano Deore 10 spd
Derailleur Rear Shimano Deore 10 spd
Cassette Sunrace 11-42T
Wheel Size 29"
Tyres Vittoria Barzo 2.25
Hubs Shimano RM35 / MT400
Handlebar Alloy 760mm
Stem BMC
Saddle Selle Royal Seta
Seatpost Alloy 31.6mm - 0mm offset

BMC Twostroke Sizing Chart

Rider's Height (cm)

This is an accurate estimate, and every new bike comes with a free professional bike fit when you click & collect in store, plus all bikes have a 30 day Perfect Ride Guarantee.

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