The Ribble Endurance SLe is one of the lightest electric road bikes out there, with Ribble claiming weights from 11kg depending on the build.
If you wanted an SLe, you used to have one stock colour option – white – although you could use Ribble’s custom colour selector to ring the changes for a different look.
Now, Ribble has added a ‘stealth’ standard colour option for the SLe, which was first launched in 2018. The colourway has anthracite grey main tubes, with silver accents on the seat tube and fork blades.
Like the original bike, the Stealth option is built from a mix of Toray T1000 and T800 carbon fibre. And also like its white sibling, it’s powered by an ebikemotion X35 250-watt rear hub motor and a Panasonic battery concealed in its down tube.
The Endurance SLe is the bike ridden by ex-pro and Tour de France yellow jersey wearer Sean Yates, who took to the machine when heart problems meant that he needed to keep his heart rate under control on climbs. The bike’s electric motor can be programmed to cut in once your heart rate goes above a predefined level.
The motor system is controlled by a low profile button mounted in the top tube, which lets you select between three different assistance levels. A ring of LEDs around the button shows the amount of juice left in the battery. There’s also a smartphone app to adjust the system’s output and view its status.
The Endurance SLe is available in three pre-configured specs: with Shimano Tiagra from £2,799, Shimano 105 from £3,299 and Shimano Ultegra from £3,699, as well as flat bar 105 and Ultegra variants. If you want something flashier, there are currently SRAM Red eTap and Shimano Dura-Ace Di2 builds on offer. All bikes get disc brakes and 28mm tyres.
You can also use Ribble’s bike builder to select your own preferred spec list. Ribble’s publicity shots show the Endurance SLe with a Shimano Ultegra Di2 electronic groupset and Mavic Cosmic Pro wheelset, which is priced from £4,999.