Trek Domane ALR 4 Disc Womens Road Bike 2018

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For turning off of that tarmac and taking on a gravel path, the Trek Domane ALR 4 Disc Womens Road Bike 2017 is a strong, reliable and comfortably designed frame that assures you of unparalleled comfort on your ride. Equipped with a full Tiagra disc brake groupset, you can ride with a seamless and broad gearing setup, assuring you of smooth rolling, mile after mile.

Trek Domane ALR 4 Disc Womens Road Bike 2017

The Trek Domane has become famed for its supreme comfort, compliance and rideability, seeing it is a common sight at the cobbled classics each year. In this, the Trek Domane ALR 4 Disc Womens Road Bike 2017, Trek broaden out their innovative concepts, and introduce the technologies to a more reasonably priced mid-level women's road bike, opening up that tough terrain to women looking to explore their local roads, paths, trails and beyond.

Built around Trek's 200 Series Alpha Aluminium, this bike's frame is hydroformed for a seamless construction that remains even, compliant and strong. Trek's highest performing aluminium, this frame is coupled with a carbon fork. The seat tube of the frame offering up Trek's top level IsoSpeed rear compliance adjustment, you can increase by two-fold the smoothness and comfort that this frame provides without compromising the stiffness of the frame when putting your power down. Equipped with hidden mudguard eyelets, this frame is ready for coupling with some good covers and hitting rougher roads.

Making use of a full Shimano Tiagra groupset that offers the rider a 10 speed rear cassette with a wide-ranging 11-32 tooth set up, this, coupled with a 50/34 front chainset offers up all the gearing you could need to get up even the steepest climb. Fully cohesive and working well together as a set up to provide seamless shifting, this bike even makes use of flat mount hydraulic disc brakes, assuring you of a top quality stopping power for looser surfaces.

Fitted with Bontrager components and using a thru-axle wheelset that boasts centrelock disc fittings, this bike is equipped with a Bontrager Ajna Comp saddle and comes, apart from pedals, ready to ride away on your new and next adventure.


Rear IsoSpeed technology doubles compliance for smoother riding on rough roads Lightweight, smooth, and ride-tuned Alpha Aluminium frame
WSD-specific spec and Shimano drivetrain for reliability
Disc brakes for optimal control and all-weather stopping power

Please note: Image shown for representation of colour way only, specification subject to change at any time. Bicycles do not come with pedals unless otherwise specified.

  • FRAME: Trek 200 Series Alpha Aluminium, IsoSpeed, Invisible Weld Technology, E2 tapered head tube, Flat Mount disc brakes, 12 mm thru-axle, hidden mudguard mounts, DuoTrap S compatible
  • FORK: Trek Domane carbon, E2 steerer, Flat Mount disc brakes, hidden mudguard mounts
  • STEM: Bontrager Elite, 31.8 mm, 7 degree, w/computer and light mounts
  • HANDLEBARS: Bontrager Comp VR-S, 31.8mm
  • TAPE: Bontrager gel cork tape
  • FRONT BRAKE: Flat Mount hydraulic disc
  • REAR BRAKE: Flat Mount hydraulic disc
  • BRAKE LEVERS: Shimano RS405 Flat Mount hydraulic disc
  • FRONT DERAILLEUR: Shimano Tiagra
  • REAR DERAILLEUR: Shimano Tiagra
  • SHIFT LEVERS: Shimano RS405, 10-speed
  • CASSETTE: Shimano Tiagra, 11-32, 10-speed
  • CRANKSET: Shimano Tiagra, 50/34 (compact)
  • BOTTOM BRACKET: BB86.5 Press Fit
  • FRONT WHEEL: Bontrager alloy sealed bearing hub, 12 mm thru-axle, Bontrager Tubeless Ready Rim
  • REAR WHEEL: Bontrager alloy Centerlock hub, 142x12, Bontrager Tubeless Ready Rim
  • FRONT TYRE: Bontrager R1 Hard-Case Lite, 700x32c
  • REAR TYRE: Bontrager R1 Hard-Case Lite, 700x32c
  • SADDLE: Bontrager Ajna Comp
  • SEATPOST: Bontrager alloy, 2-bolt head, 27.2mm, 8mm offset


Size Guide

UK Delivery Options

Free Delivery on all orders over £30

Estimated delivery within 4 working days (a delivery charge of £1.99 for orders under £30.00 will apply)

CollectPlus Delivery - £1.99

Have your order delivered to your local shop for just £1.99! For Highlands and Islands, please allow up to 5 working days. Orders can be shipped to UK CollectPlus locations specified on the website where they will be held awaiting collection for a period of 10 days.

Orders placed are normally dispatched within 2 working days.

Priority 1st Class Delivery - £2.99

Estimated delivery within 2 working days. For Highlands and Islands, please allow up to 5 working days.

Next Working Day Delivery* - £4.99

A guaranteed tracked courier delivery, place your order before 3pm, deliveries are made Monday to Friday.

Saturday pre 12 Delivery - £4.99

Saturday delivery orders must be placed by 1pm Friday and are only available on items in stock in our warehouse. Orders are prioritised through our warehouse and are delivered on Saturday pre 12pm by courier. Package must be signed for upon delivery.

Sunday pre 12 Delivery - £4.99

Sunday delivery orders must be placed by 1pm Friday and are only available on items in stock in our warehouse. Orders are prioritised through our warehouse and are delivered on Sunday pre 12pm by courier. Package must be signed for upon delivery.

Reserve and Collect** - FREE

Reserve & Collect is available on all items marked 'Collection'. It is a FREE delivery option that allows you to collect your order from either our Sigma Sport Store, Hampton Wick or our Reserve & Collect location in Esher. Just select the Reserve & Collect button in the basket.

* Next Working Day delivery is only available on items in stock in our warehouse and excludes pre- order items. Next Day refers to the next working day, Bank Holidays will add an extra working day to the estimated delivery lead times. UK next day excludes Saturday deliveries. This service is not available to some remote postcode areas. Please contact us for help.

** Reserve and Collect Collections - Clothing, parts and accessories: Next day. Orders placed on Friday, Saturday or Sunday will be available for collection after midday on the Monday (excluding Bank Holidays). Bikes: 4 days if in stock at the store, collect in up to 7 days (sometimes quicker) if in stock at warehouse.

London Same Day (Order Before 1pm)

We offer a Same Day delivery service into London. The cost is £25.00 under 2Kg and £35 over 2Kg. Place your order before 1pm, deliveries are made Monday to Friday. Please note this option excludes bicycles.

More information on our Same Day delivery options.

Bike Deliveries

All our bikes are fully checked and tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for despatch. All you have to do is add the pedals, rotate and tighten the handlebars. Typically we can deliver your bike in 4 - 5 working days.

Deliveries are made Monday to Friday on a pre-12pm delivery. One of our customer service team will be in contact to arrange a convenient day for delivery.

More information on all our UK delivery options.

International Delivery and Returns

We ship to over 100 countries using DHL for a fast and reliable delivery. To see the delivery cost, please add your items to the basket and proceed to the checkout.

International customers have 30 days from their order date to return the order. Goods must be returned in new condition with all original packaging intact and tags attached.

For full details, see this link.

Free UK Returns

We offer a free returns service for our UK customers. Sigma Sport will happily refund or exchange any item purchased at Sigma Sport, excluding Sigma Sport gift vouchers and personalised products except when faulty.

More information on the Sigma Sport returns procedure.

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