The Trek Madone SL 5 Gen 8 is a cutting-edge aero road bike that blends race-ready speed with all-day comfort. Built with Trek’s 500 Series OCLV Carbon and the revolutionary IsoFlow seat tube design, it delivers aerodynamic efficiency while reducing weight and improving ride compliance. Shimano’s latest 105 12-speed groupset ensures crisp, reliable shifting and powerful hydraulic braking, while Bontrager Paradigm SL wheels with 28 mm tyres provide stability and smooth rolling. Perfect for ambitious riders chasing speed, style and comfort, the Madone SL 5 Gen 8 is engineered to excel on every road.
Frame: 500 Series OCLV Carbon, Full System Foil tube shaping, IsoFlow seat tube, RCS Headset System, internal routing, T47 BB, flat mount disc, UDH, 142x12 mm thru axle
Fork: Madone Gen 8 full carbon, tapered steerer, internal routing, 12x100 mm chamfered thru axle
Weight: ML – 8.70 kg (19.19 lbs, with tubes)
Weight Limit: 125 kg (bike, rider and cargo)
Shifters: Shimano 105 R7120, 12-speed
Front Derailleur: Shimano 105 R7100, braze-on
Rear Derailleur: Shimano 105 R7100, max 36T
Crankset: Shimano 105 R7100, 50/34, 165 mm (XS, S) / 170 mm (M) / 172.5 mm (ML, L) / 175 mm (XL)
Bottom Bracket: Praxis T47 threaded
Cassette: Shimano 105 7101, 11-34, 12-speed
Chain: Shimano SLX M7100, 12-speed
Max Chainring Size: 1x: 54T / 2x: 56/43T
Wheels: Bontrager Paradigm SL, Tubeless Ready, 21 mm inner width, 24h
Hubs: Bontrager alloy, sealed bearings, CenterLock, 100x12 mm (front) / 142x12 mm (rear), Shimano 11-speed freehub
Tyres: Bontrager R1 Hard-Case Lite, 700x28 mm, max 32 mm
Saddle: Bontrager Aeolus Comp, steel rails, 155 mm (XS, S) / 145 mm (M–XL)
Seatpost: Madone aero carbon, 0 mm offset, short length (XS, S, M, XL) / long length (ML, L)
Handlebar: Bontrager Comp alloy, 31.8 mm, 80 mm reach, 121 mm drop, widths: 36 cm (XS) / 38 cm (S, M) / 40 cm (ML, L) / 42 cm (XL)
Stem: Trek RCS Pro, -7°, 80 mm (XS) / 90 mm (S, M) / 100 mm (ML, L) / 110 mm (XL)
Brakes: Shimano 105 hydraulic disc, RT70 160 mm rotors
Rotor Size: Max 180 mm (front), 160 mm (rear)
We offer a convenient Click & Collect service so you can shop online and pick up your order from our shop at your convenience.
Simply select Click & Collect as your delivery method at checkout, and once your order is ready, we’ll notify you via email or phone.
Best of all the service is completely FREE!
Cycle to Work is a government scheme, aimed at making cycling more affordable and accessible for commuters and leisure riders. It’s a simple three-step process, which will help you save up to 39% on a brand new bike, cycling accessories or a combination of the two!
Step 1: Choose your bike from the E-venture shop
Step 2: Request a Cycle to Work certificate via your employer
Step 3: Get your cycle package from us and hit the road!
Interested in the Cycle to Work Scheme? Get in touch or come visit us at the E-Venture shop.
We’ve partner with Sundays to offer you 10% off specialist bicycle insurance. Get covered online in a couple of minutes to enjoy stress-free riding with Sundays and E-Venture Bikes.
Cycling insurance designed by cyclists.
For 10% off, simply use the discount code: VENTURE at checkout.
Our Price Match Promise ensures that if you find a lower price on the same item elsewhere, we’ll match it.
We strive to provide you with the best value for your money, so you can shop with confidence knowing you’re getting the best deal possible.
Just let us know and we’ll make sure you receive the same great product at the best available price.
If you are shopping in-store one of our team can assist you with your price match request and will verify price and availability with you on the spot.
If you are shopping online email us at [email protected] with subject “Match Me”. You will need to provide proof of the competitor’s price by sending us the;
For more information check out our T&C’s in the link below.
We understand that sometimes returns are necessary, and we strive to make the process as simple and hassle-free as possible for you.
Our Returns Policy ensures that you can shop with confidence, knowing that if you’re not completely satisfied with your purchase, you can return it within 30 days for a full refund or exchange.
Whether you’ve changed your mind, received a faulty item, or simply aren’t satisfied with your purchase, we’re here to help.
Our dedicated customer service team is ready to assist you every step of the way, making your return experience smooth and stress-free.
Use the below chart to find your size.
[size_guide_table]
Still not sure what size is best?
| Click & Collect Same day (if in-store) | Free |
| Bike Delivery 5-7 working days | £59.99 |
| Personal Bike Delivery (CA postcodes) 7-9 working days | Free |
| Standard Delivery (orders over £40) 2-4 working days | Free |
| Standard Delivery (orders under £40) 2-4 working days | £2.95 |
| Bulky Item Delivery* 2-4 working days | £10.99 |
Order online and collect from our Keswick store in the Lake District. Simply choose “Click & Collect” at checkout.
Your Bike is assembled, inspected, and boxed for delivery. Upon arrival, simply unbox and adjust the handlebars, pedals, and seat.
Exclusive for CA postcode residents, our knowledgeable team will hand-deliver your Bike to your door. We’ll set it up and provide a personal guide, answering any questions to ensure you’re all set to go with your new Bike.
We aim to process and dispatch all orders with the utmost speed. You’ll receive an email with tracking info as soon as your order is dispatched.
We offer a 30-day return policy for all online purchases.
