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.
Save up to 47% with any one of our 11 Cycle to Work partners, and get the health benefits of a new bike in exchange for tax free salary sacrifice. To find out more about our various partners and how to apply click here.
Choose between Free Bike Delivery - to your home or place of work - or our new Premier Bike Delivery Service £99.99 and have your bike delivered "ready to ride" and set up to your measurements with seatpost and pedals adjusted on arrival by a qualified bike mechanic. Either way, our Customer Care team will be in touch to arrange a delivery date to suit you.
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.
Trek Powerfly 7 Gen 4 Electric Mountain Bike
If you're seeking more than just electric assistance, the Powerfly 7 is tailored for you. It boasts top-notch mountain bike components that significantly enhance your trail experience. Equipped with an upgraded controller featuring a smart system and Kiox full-color screen offering Bluetooth connectivity and advanced ride tracking, this bike ensures superior performance. Its durable aluminum frame houses a Removable Integrated 625 Wh battery, providing both aesthetics and protection on the trail. Powered by a Bosch Performance CX motor assisting up to 20 mph (25 km/h in Europe), the Powerfly 7 guarantees a thrilling ride. Further enhancing its capabilities are the RockShox 35 Gold RL fork, 1x12 Shimano SLX and XT drivetrain, 4-piston hydraulic brakes, Bontrager Line Comp 30 tubeless-ready wheels, and a dropper post. With wider wheels for enhanced traction and stability, a stiffer fork for precise steering, and a refined Shimano drivetrain ensuring smooth shifting, the Powerfly 7 caters to the discerning rider. Additionally, it features Bosch's smart system with an LED remote, connecting to the Bosch eBike Flow app for updates and customizations. The Removable Integrated Battery system offers convenience and protection, while the Kiox 300 display provides comprehensive ride information and connectivity options. With a dropper post for adjustable saddle height and compatibility for adding racks and mudguards, the Powerfly 7 is the ultimate choice for elevating your biking adventures.
Technical Specification
| Frame | Alpha Platinum Aluminium, curved top tube, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, Motor Armour, Boost148, 12 mm thru axle |
| Fork | RockShox 35 Gold RL, DebonAir spring, Motion Control damper, lockout, tapered steerer, 44 mm offset, oversized crown for eMTB, Boost110, 15 mm Maxle Stealth |
| Wheel Front | Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle |
| Wheel Rear | Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12 mm thru axle |
| Tyre | Bontrager XR3 Team Issue, Tubeless-Ready, Inner Strength sidewall, aramid bead, 120 tpi, |
| Battery | Bosch PowerTube 625Wh, smart system |
| Computer | Bosch LED remote, smart system |
| Motor | Bosch Performance Line CX, smart system, magnesium motor body, 85 Nm |
| Brake | SRAM DB 8 4-piston hydraulic disc |
| Brake Rotor | SRAM CentreLine, 6-bolt, round-edge, |
| Rotor size Max brake rotor sizes - Frame | 203mm, Fork |
| Weight | M - 22.65 kg / 49.94 lbs (with TLR sealant, no tubes) |
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 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. For hassle-free home delivery and bike set-up from a qualified mechanic use our Premier Delivery Service.
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 Powerfly 7 Gen 4 Electric Mountain Bike Sizing
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