Trek has announced the release of the brand-new Domane+ SLR e-bike which will sit atop the brand’s electric road offering. The Domane+ SLR is a highly specced e-road bike with an unprecedented speed-to-weight ratio and is aimed at road riders who want the feel of a regular road bike but are looking for a little extra assistance where necessary or to help with longer riding expeditions.
Trek says the Domane SLR+ doesn’t feel, sound or look like an e-bike with an especially quiet motor, low weight and road-specific tune with endurance geometry that ensures it feels like a regular road bike.
The frame is manufactured from the brand’s top-of-the-line OCLV 800 carbon fibre helping to decrease overall weight. The result is a bike that tips the scales at around 11.8 kgs or 28lbs, making it around 3lb lighter than any other Trek electric road bike.
The bike will be available with two ‘spec concepts’. The first will be a contender for our guide to the best electric road bikes, using Shimano 2x groupsets and 32mm Bontrager R3 road tubeless tyres. The second targets our guide to the best electric gravel bikes, each using SRAM 1x XPLR groupsets and Bontrager GR1 40mm tubeless gravel tyres. Tyre clearance is increased compared to a regular Domane with space for up to 40mm tyres plus a guaranteed 6mm of clearance all around when fitted.
The heartbeat of the Domane+ SLR is the 3.9kg TQ Motor which aids in the bike’s clean, integrated appearance due to its compact size. The Domane is fitted with a patented Harmonic Pin Ring e-bike motor from German specialists TQ. Said to be the quietest Trek has ever fitted, it should mean the bike is discreet on group rides.
The max limited speed in the US will be 28mph, and 25km/h in Europe where the laws are slightly different. A 360-watt/hour battery is installed which should give a 60-mile total range and 250-watt maximum continuous power, and 300 watts of peak power, helping riders get up to speed, alongside 50nm of torque. There will also be an optional 160-watt/hour bottle cage-mounted battery extender which will weigh around 950 grams and can give an additional 30 miles of range, making for a total of 90 miles, or 145km. There is no walk-assist function given the performance road focus of the bike.
The bike has a 135mm bottom bracket width and 163mm Q factor despite the presence of the motor, which should aid the regular road bike feel.
This is still a Domane, and so the SLR has most of the…
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