# Cyctrac® EM5 (3rd) U4000-9S Electric Mountain Bike ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-Electric-Bike-Icon-Icon_Peak_Motor.svg?v=1784612611) **500W** Motor ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-Electric-Bike-Icon-Icon_Battery.svg?v=1784612612) **21700 Li-ion, 960Wh** Samsung Battery ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-Electric-Bike-Icon-Icon_Top_Speed.svg?v=1784612611) **25KMH (Maximum 45KMH)** Max Speed Tested ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-Electric-Bike-Icon-Icon_Range.svg?v=1784612611) **150-180 km** Pedal Assist Mode ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-Electric-Bike-Icon-Icon_Payload_Capacity.svg?v=1784612611) **160 kg** Payload Capacity ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-Electric-Bike-Icon-Applicable-Height.webp?v=1784612611) **165-195CM** Applicable Height ## **500W Motor** **25KMH (Speed up to 45KMH)** Speed **150-180 KM** Maximum Range **500W** Motor Cyctrac EM5 (3rd) U4000-9S Bafang Mid Drive eBike Motor use a high-speed brushless design. Compared to traditional motors, the EM5 (3rd) U4000-9S's motors have reduced internal friction, enabling efficient operation. Equipped with a maximum torque of 140 N.m, it easily climbs slopes and explores more challenging terrain. ## **Cyctrac EM5 (3rd) U4000-9S Electric Mountain Bike** **Unlimited Swimming Power at Your Fingertips** Aluminum Alloy / SHIMANO Transmission / Mid-Drive Motor ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-EM5-3rd-U4000-9S-Electric-Mountain-Bike-D-01.webp?v=1783060064) ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-EM5-3rd-U4000-9S-Electric-Mountain-Bike-D-02.webp?v=1783060064) ## **Bafang Mid Drive Motor** **Bafang motor system** Torque + cadence sensors: Multiple drivetrain options. SHIMANO Electronic Shifting: Professional shifting kit, safe and reliable. ## **Long Battery Life** **Built-in high-performance battery cells** Multiple assist modes: Suitable for both casual and competitive riding. Shoulder-controlled air fork: Excellent shock absorption, worry-free riding. ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-EM5-3rd-U4000-9S-Electric-Mountain-Bike-D-03.webp?v=1783060064) ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-EM5-3rd-U4000-9S-Electric-Mountain-Bike-D-06.webp?v=1783060064) ## **The LCD smart meter can charge your phone.** Type-C interface, high-definition interaction, multiple assist modes available. ## **Frame Geometry Diagram** **Frame Travel**: 150mm (Bottom mount point A) 160mm (Bottom mount point B) **Rear Shock Size**: 205\*65mm Trunnion mount: width 54mm\*M10 Standard mount of Bottom: width 30mm\*Φ8 ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-EM5-3rd-U4000-9S-Electric-Mountain-Bike-D-05.webp?v=1783060064) ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-EM5-3rd-U4000-9S-Electric-Mountain-Bike-D-12.webp?v=1783060064) ## **9 Speed Positioning Freewheel Ensures Precise Shifting** Better chain engagement, reducing the risk of chain slippage and enhancing riding safety. ## **4 Piston Hydraulic Disc Brakes Offer Strong Braking Power.** They provide sensitive braking and stable performance. ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-EM5-3rd-U4000-9S-Electric-Mountain-Bike-D-13.webp?v=1783060064) ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-EM5-3rd-U4000-9S-Electric-Mountain-Bike-D-14.webp?v=1783060064) ## **Cable Controlled Drop Seatpost** Comfortable riding, easy adjustment. ## **Magnesium Aluminum Alloy Shoulder Controlled Air Fork** Excellent shock absorption, worry-free riding. ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-EM5-3rd-U4000-9S-Electric-Mountain-Bike-D-15.webp?v=1783060064) ● SHIMANO 9-speed shifter ● SHIMANO 9-speed rear derailleur ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-EM5-3rd-U4000-9S-Electric-Mountain-Bike-D-10.webp?v=1783060064) ● Motor included, single disc 38T ● SUNSHINE 9-speed flywheel ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-EM5-3rd-U4000-9S-Electric-Mountain-Bike-D-11.webp?v=1783060064) ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-EM5-3rd-U4000-9S-Electric-Mountain-Bike-D-08.webp?v=1783060064) ## **Lightweight Aluminum Alloy Comfort Handlebars** Easy to apply force, making riding more comfortable and safer. ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-EM5-3rd-U4000-9S-Electric-Mountain-Bike-D-09.webp?v=1783060064) ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-EM5-3rd-U4000-9S-Electric-Mountain-Bike-D-04.webp?v=1783060064) ## **The new generation 6 Series aluminum chassis** Combines rigidity, performance, and aesthetics. ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-EM5-3rd-U4000-9S-Electric-Mountain-Bike-D-07.webp?v=1783060064) ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-EM5-3rd-U4000-9S-Electric-Mountain-Bike-D-16.webp?v=1783060064) ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-EM5-3rd-U4000-9S-Electric-Mountain-Bike-D-17.webp?v=1783060064) ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-EM5-3rd-U4000-9S-Electric-Mountain-Bike-D-18.webp?v=1783060064) ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-EM5-3rd-U4000-9S-Electric-Mountain-Bike-D-19.webp?v=1783060064) ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-EM5-3rd-U4000-9S-Electric-Mountain-Bike-D-20.webp?v=1783060064) ![Cyctrac EM5 3rd U4000-9S Electric Mountain Bike](https://cdn.shopify.com/s/files/1/0798/5902/4057/files/Cyctrac-EM5-3rd-U4000-9S-Electric-Mountain-Bike-D-21.webp?v=1783060064) ## **Technical** **Frame Size** 29(27.5)×16" / 18" **Bike Color** Dark Green, Electro Silver, Titanium Grey **Frame** CYCTRAC-EM5, Alu alloy AL7005, Flat weld & Smooth, Inner cables, Thru-axle12\*148 Boost, UDH tail hook **Handelbar Sets** RS, Alu alloy, Matte, Handlebar 31.8×720, Stem 50mm ,Clamps 34.9mm **Fork** RS, Alu alloy, Coil suspension, Manual-lockout **Head Sets** Inner-Cables routing, Sealed bearings 52\*52mm **Brake** RS, Alu alloy, 4-piston hydraulic disc, 203/203mm **Hub** RS, Alu alloy, 4-sealed Bearings, HG, Disc, 32Holes, Thru-axle F15×110\_R12×148mm Boost **Rim** RS, Alu alloy with Double-wall & Rivets, W30×H21mm **Spoke** SHUNJIU, Circular 14G **Tire** CST, 29/27.5×2.4" **Grips** Circular 22.2×120mm, PU leather & locking Ring **Saddle** RS, Comfortable and Thickened for MTB **Pedals** RS, Alu alloy & Skid resistant for MTB **Motor System** Bafang Mid, M430, 48V500W **Max Torque** 140 Nm **Speed Limit** 25KMh Default (max 45KMh) **Pedal Sensor**Torque+Cadence, Throttle available **Battery** Samsung 21700 Li-ion, 960Wh, 48V20A **Endurance** Max 150-180KM (pedal assist) **Full Charge Time** 4-6 Hours **Charger** 4.5A/245W, 3Pin **HMI** CYC-C101, LCD digital, USB/Type-C **Waterproof** IP X6 **Max Load** 160 KG **Seat Post** RS, H-adjustable & Cable Remote, 31.6\*125mm ## **ConfRev Compare** **eBike Specs** **U4000-9S** **M6100-12S** **Wheeltop 12S** Fork RS, MgAl alloy, Air, Manual, 120, Thru-axle 15\*110 ROCKSHOX-RECON, Air, Manual, 120, Thru-axle 15\*110 ROCKSHOX-RECON, Air, Manual, 120, Thru-axle 15\*110 Derailleur Lever SHIMANO CUES/U4000-9S SHIMANO DEORE/M6100-12S Wheeltop EDS OX-12S wireless Rear Derailleur SHIMANO CUES/U4000-9S SHIMANO DEORE/M6100-12S Wheeltop EDS OX-12S wireless Cranksets Matching with Mid Motor, 38T Matching with Mid Motor, 38T Matching with Mid Motor, 38T Cassettes SUNSHINE-9S, 11-46T SUNSHINE-12S, 11-50T SUNSHINE-12S, 11-50T Chain SUMC-9S SUMC-12S SUMC-12S Net Weight 24.7KG 24.9KG 24.9KG ## **Features** Powerful 500W Bafang Mid Drive Motor - Experience limitless adventure with the Cyctrac EM5, equipped with a robust 500W Bafang Mid Drive Motor. This high-speed brushless motor delivers superior torque of 140 N.m, making steep climbs effortless. Whether navigating challenging terrains or cruising along flat paths, this bike ensures a smooth, efficient ride. Long-lasting Samsung 21700 Li-ion Battery - Equipped with a 960Wh Samsung 21700 Li-ion battery, the EM5 offers an impressive range of 150-180 km in pedal assist mode. With a quick charge time of just 4-6 hours, you can spend more time riding and less time waiting. Advanced SHIMANO 9-Speed Gear System - The Cyctrac EM5 features a professional SHIMANO 9-speed gear system, ensuring precise shifting and smooth transitions between gears. This advanced drivetrain technology enhances your riding experience, whether you're tackling steep hills or cruising on flat roads. Superior Stopping Power with Hydraulic Disc Brakes - Safety meets reliability with the EM5's 4-piston hydraulic disc brakes. Designed for sensitive braking and consistent performance, they provide the stopping power you need on any terrain, ensuring your ride is both thrilling and secure. Lightweight and Comfortable Design - Constructed with a new generation 6 Series aluminum chassis, the EM5 balances rigidity, performance, and aesthetics. Its lightweight frame enhances maneuverability while the comfortable handlebars and shoulder-controlled air fork promise a smooth, enjoyable ride. Smart LCD Meter with Charging Feature - Stay connected while you ride with the smart LCD meter that not only displays essential stats but also features a USB Type-C charging port. Charge your devices on the go, ensuring you're always powered up for your adventures. ## **FAQs** What is the price of the Cyctrac EM5 (3rd) U4000-9S Electric Mountain Bike? - The price of the Cyctrac EM5 (3rd) U4000-9S Electric Mountain Bike is good. This bike offers a great combination of features and performance for its price. What colors are available for the Cyctrac EM5 (3rd) U4000-9S? - You can choose from three beautiful colors for the Cyctrac EM5 (3rd) U4000-9S. The colors available are Dark Green, Electro Silver, and Titanium Grey. What is the maximum speed of the Cyctrac EM5 (3rd) U4000-9S? - The Cyctrac EM5 (3rd) U4000-9S has a maximum speed of 25 kilometers per hour, but it can reach up to 45 kilometers per hour under certain conditions. This makes it fun for both leisurely rides and more thrilling adventures. What type of motor does the Cyctrac EM5 (3rd) U4000-9S have? - This electric mountain bike is equipped with a powerful 500W Bafang Mid Drive Motor. It provides strong performance and can handle steep climbs easily. How far can I ride on a single charge? - On a single charge, the Cyctrac EM5 (3rd) U4000-9S can travel between 150 to 180 kilometers in pedal assist mode. This means you can enjoy longer rides without worrying about running out of battery. What is the weight limit for riders on this bike? - The Cyctrac EM5 (3rd) U4000-9S can support riders weighing up to 160 kilograms. This ensures that many people can enjoy riding this bike safely. How long does it take to charge the battery? - Charging the battery of the Cyctrac EM5 (3rd) U4000-9S takes about 4 to 6 hours to fully charge. This means you can easily recharge it overnight and be ready to ride the next day. What warranty does the Cyctrac EM5 (3rd) U4000-9S come with? - The Cyctrac EM5 (3rd) U4000-9S comes with a 3-year warranty on the frame and a 1-year warranty on components. This gives you peace of mind about your purchase. Where can I buy the Cyctrac EM5 (3rd) U4000-9S? - You can purchase the Cyctrac EM5 (3rd) U4000-9S exclusively from the official Cyctrac website. It is important to buy from the official source to ensure you receive a genuine product. What should I do if I experience an issue with my bike? - If you encounter any issues with your Cyctrac EM5 (3rd) U4000-9S, you should contact the customer service team through the official Cyctrac website. They can help you resolve any problems you may have. Tags: Cyctrac EM5, Electric Mountain Bike, U4000-9S, 500W Motor, Bafang Mid Drive, SHIMANO Transmission, 27.5 inch bike, Long Battery Life ## Details - **Price:** 2049.99 USD - 2549.99 USD - **Vendor:** Cyctrac - **Type:** CyctraceBike - **Tags:** Cyctrac eBike ## Variants | Variant | Price | Available | |---------|-------|-----------| | U4000-9S / Dark Green / 27.5"×16" | 2049.99 USD | In stock | | U4000-9S / Dark Green / 27.5"×18" | 2049.99 USD | In stock | | U4000-9S / Dark Green / 29"×16" | 2049.99 USD | In stock | | U4000-9S / Dark Green / 29"×18" | 2049.99 USD | In stock | | U4000-9S / Electro Silver / 27.5"×16" | 2049.99 USD | In stock | | U4000-9S / Electro Silver / 27.5"×18" | 2049.99 USD | In stock | | U4000-9S / Electro Silver / 29"×16" | 2049.99 USD | In stock | | U4000-9S / Electro Silver / 29"×18" | 2049.99 USD | In stock | | U4000-9S / Titanium Grey / 27.5"×16" | 2049.99 USD | In stock | | U4000-9S / Titanium Grey / 27.5"×18" | 2049.99 USD | In stock | | U4000-9S / Titanium Grey / 29"×16" | 2049.99 USD | In stock | | U4000-9S / Titanium Grey / 29"×18" | 2049.99 USD | In stock | | M6100-12S / Dark Green / 27.5"×16" | 2349.99 USD | In stock | | M6100-12S / Dark Green / 27.5"×18" | 2349.99 USD | In stock | | M6100-12S / Dark Green / 29"×16" | 2349.99 USD | In stock | | M6100-12S / Dark Green / 29"×18" | 2349.99 USD | In stock | | M6100-12S / Electro Silver / 27.5"×16" | 2349.99 USD | In stock | | M6100-12S / Electro Silver / 27.5"×18" | 2349.99 USD | In stock | | M6100-12S / Electro Silver / 29"×16" | 2349.99 USD | In stock | | M6100-12S / Electro Silver / 29"×18" | 2349.99 USD | In stock | | M6100-12S / Titanium Grey / 27.5"×16" | 2349.99 USD | In stock | | M6100-12S / Titanium Grey / 27.5"×18" | 2349.99 USD | In stock | | M6100-12S / Titanium Grey / 29"×16" | 2349.99 USD | In stock | | M6100-12S / Titanium Grey / 29"×18" | 2349.99 USD | In stock | | Wheeltop-12S / Dark Green / 27.5"×16" | 2549.99 USD | In stock | | Wheeltop-12S / Dark Green / 27.5"×18" | 2549.99 USD | In stock | | Wheeltop-12S / Dark Green / 29"×16" | 2549.99 USD | In stock | | Wheeltop-12S / Dark Green / 29"×18" | 2549.99 USD | In stock | | Wheeltop-12S / Electro Silver / 27.5"×16" | 2549.99 USD | In stock | | Wheeltop-12S / Electro Silver / 27.5"×18" | 2549.99 USD | In stock | | Wheeltop-12S / Electro Silver / 29"×16" | 2549.99 USD | In stock | | Wheeltop-12S / Electro Silver / 29"×18" | 2549.99 USD | In stock | | Wheeltop-12S / Titanium Grey / 27.5"×16" | 2549.99 USD | In stock | | Wheeltop-12S / Titanium Grey / 27.5"×18" | 2549.99 USD | In stock | | Wheeltop-12S / Titanium Grey / 29"×16" | 2549.99 USD | In stock | | Wheeltop-12S / Titanium Grey / 29"×18" | 2549.99 USD | In stock | ## Images - A dark green electric mountain bike with a black frame, black tires, and a black seat, shown from a side profile on a white background. The brand 'Cyctrac' is visible on the frame. Cyctrac EM5 3rd U4000-9S Electric Mountain Bike - A silver and black electric mountain bike with a step-through frame, front suspension fork, and fat tires, shown from a side profile on a white background. Cyctrac EM5 3rd U4000-9S Electric Mountain Bike - A gray electric mountain bike with black components, shown from a side profile view against a plain white background. The brand 'Cyctrac' is visible on the frame. Cyctrac EM5 3rd U4000-9S Electric Mountain Bike - Cyctrac EM5 3rd U4000-9S Electric Mountain Bike - Close-up of a Bafang M430 electric bicycle motor integrated into a silver frame, showing the black motor casing and brand logo. Cyctrac EM5 3rd U4000-9S Electric Mountain Bike - Close-up of a black crankset and chainring on a bicycle drivetrain, with part of the light blue frame and blurred outdoor background visible. Cyctrac EM5 3rd U4000-9S Electric Mountain Bike - A black electronic bike computer mounted on a bicycle handlebar, displaying a digital speedometer and trip timer. The handlebars and cables are visible against a blurred outdoor background. Cyctrac EM5 3rd U4000-9S Electric Mountain Bike --- > Source: [CyctraceBike.com](https://www.cyctracebike.com/products/cyctrac-em5-3rd-u4000-9s-electric-mountain-bike) > Updated: 2026-08-20