Why buy your bike from Sigma Sports?
Don't hesitate to reach out to us. It's our goal to answer all of your questions and offer the best advice from our experts. We’ll be happy to answer any questions you may have. Contact us now or visit us in-store.
All our bikes are fully built by our Cytech qualified mechanics. To find out more, see the Built, Checked, Tuned and Tested section below to see how we'll deliver your bike.
We offer FREE DELIVERY of your bike to your home or place of work. Once you've placed your order, our Customer Care team will be in contact to offer a convenient delivery date of your choice.
We've partnered with Laka to offer you 30 days free bike Insurance on your new bike purchase over £400. Click here for more info and find out how to claim.
Technical Specification
| Frame | Ultralight 300 Series Alpha Aluminium, Invisible Weld technology, tapered head tube, internal cable routing, flat mount disc, 142x12 mm thru axle |
| Fork | Émonda ALR full carbon, tapered carbon steerer, internal brake routing, flat mount disc, 12x100 mm thru axle |
| Hub front | Bontrager alloy, sealed bearing, CenterLock disc, 100x12 mm thru axle |
| Skewer front, Bontrager Switch thru-axle, removable lever | |
| Hub rearL Bontrager alloy, sealed bearing, CenterLock disc, Shimano 11-speed freehub, 142x12 mm thru axle, Skewer rear, Bontrager Switch thru-axle, removable lever | |
| Rim | Bontrager Paradigm SL, Tubeless Ready, 24-hole, 21 mm width, Presta valve |
| Tyre | Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x 25 c |
| Max tyre size | 28c |
| Shifter | Shimano 105 R7020, 11-speed |
| Front derailleur | Shimano 105 R7000, braze-on |
| Rear derailleur | Shimano 105 R7000, short cage, 30T max cog |
| Shimano | 105 R7000, 50/34 (compact) |
| Shimano 105 R7000, 50/34 (compact), 175 mm length | |
| Bottom bracket | Praxis, T47 threaded, internal bearing |
| Cassette | Shimano 105 R7000, 11-30, 11 speed |
| Chain | Shimano 105 HG601, 11-speed |
| Saddle | Bontrager Verse Comp |
| Brake | Shimano 105 hydraulic disc |
| Weight | 56 – 9.00 kg/19.85 lb |
Built, Checked, Tuned and Tested
All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if included), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.
All bikes collected from our shop, are built, tested and ready to ride.
Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. Bikes ordered for delivery will not arrive with the pedals installed, please refer to the owners manual and pedal installation guides provided for guidance. We do not install accessories to bikes, including mudguards. Bikes ordered for delivery that have tubeless compatible tyres and rims will arrive with inner tubes installed or with tubeless valves installed, this will be brand dependent. Sealant is available to be purchased separately.
If you require any assistance please contact our Customer Care team.
Trek Emonda ALR 5 Disc Road Bike 2023 Sizing
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