E-BIKE

About this item

• LITHIUM BATTERY & RELIABLE MOTOR---This bike equipped with a 250W high-magnification brushless motor and a 36V 7.8AH lithium-ion battery. A 250W brushless motor providing 5 levels of assistance to 20MPH max. Fully enclosed waterproof and dustproof IP5.And with the 36V/10.4Ah Lithium-Ion removable battery, It can travel about 26 ~ 40 miles in all electric mode(Throttle mode) and 30 ~ 50 miles in electric assist mode(PAS mode). Plenty for a day’s adventure or most trips to travel and back.
• FOLDING DESIGN---The 20inch e-bike adopts aluminum alloy collapsible frame for quick folding and easy storage. When folded, the size is 31.5*15.7*29.5inch.Small and convenient, it can be stashed in the trunk of your car, in the corner of your office or just about anywhere you want
• RELIABLE MECHANICAL PARTS--- With SHIMANO 7-speed transmission system. Enough for a city commute, you can comfortably adjust the gears to make yourself ride faster or easier.It also has a new technology of the dual disc brakes to ensure more stable.It can bring you more effective and safer braking effect
• WORKING MODES --- Ebike & Assisted bicycle & Normal bike. you can choose 5 power assist level according to your needs. You can add a burst of speed with the throttle, which is ideal for pulling away from traffic lights. Combining five modes would be a better choice.
• CONVINENCE&COMFORTABLE---85% pre-assembled. It's not difficult to finish assembly by yourself.The hidden batteries keep out the dust.The battery is also designed to be easily removed by pulling a handle.

About this item

• LITHIUM BATTERY & HIGH SPEED MOTOR---This Bike equipped with 350W high speed brushless motor. It provids 5 levels of assistance, a cruise on the mountain, or a meander along your favorite trail. With speeds up to 20 mph. Fully enclosed waterproof and dustproof IP5.And the 36V/11.6Ah Lithium-Ion removable battery, It can travel 30 ~ 50 miles in electric assist mode(PAS mode). Plenty for a day’s adventure or most trips to travel and back.
• HIGH-QUALITY MATERIAL & DESIGN---Alluminum alloy frame makes the bike light weight yet very sturdy. These metals can take heavy weights as well as rough terrain. thus making thisan apt mountain bike.The Suspension front fork is sturdy and reliable.And has a strong shock absorption effect.It make for a great ride experience on mountain roads, highways, and forestways.
• EXCEPTIONAL MECHANICAL COMPONENTS---With front and rear Disc brakes, SHIMANO TZ500 21-speed transmission system, uphill and downhill, slow, constant speed, speed up, all can be satisfied.The light & strong Aluminum frame. Aluminum double-walled rims are for greater durability. Full-aluminum crank making the overall transmission system smooth.
• WORKING MODES---Assisted bicycle & Normal bike. you can choose 5 power assist level according to your needs. You can add a burst of speed with the throttle, which is ideal for pulling away from traffic lights. Combining five modes would be a better choice.
• CONVINENCE&COMFORTABLE--- 85% pre-assembled. It's not difficult to finish assembly by yourself.Quick detachable battery design - you can easily remove/install the battery, just turn the key.The 26inch is suitable for a person 5'4- 6' tall.The 27.5inch is suitable for a person 5'7"- 6' tall

GEAR

Double disc brakes give you a more reliable riding experience.And SHIMANO TZ500 7-speed Shifter ensures total control in every situation.

About this item

• LITHIUM BATTERY & HIGH SPEED MOTOR---Equipped with a stable 500W brushless motor providing 5 levels of assistance to 30MPH max. Fully enclosed waterproof and dustproof IP5.And the 48V/11.6 Ah Lithium-Ion removable battery, It can travel about 26 ~ 40 miles in all electric mode(Throttle mode) and 30 ~ 50 miles in electric assist mode(PAS mode). Plenty for a day’s adventure or most trips to travel and back.
• HIGH-QUALITY MATERIAL & DESIGN---Alluminum alloy frame with a small low step-through design for easy to get on and off.Aluminum alloy suspension forks absorb vibration effectively, allowing you to ride comfortably in different terrain.The 26*4.0-inch tires make for a great ride experience on mountain roads, highways, and forestways.Suitable for beach, snow and other types of road.
• EXCEPTIONAL MECHANICAL COMPONENTS---With front and rear Disc brakes, SHIMANO 7-speed transmission system, uphill and downhill, slow, constant speed, speed up, all can be satisfied.The light, strong Aluminum frame, Aluminum double-walled rims are for greater durability, Full-aluminum crank, making the overall transmission system smooth.
• 3 WORKING MODES---Ebike & Assisted bicycle & Normal bike. you can choose 5 power assist level according to your needs. You can add a burst of speed with the throttle, which is ideal for pulling away from traffic lights. Combining five modes would be a better choice.
• CONVINENCE&COMFORTABLE---Cruise control will work after 6 seconds of fixing speed under pure electric mode, then release the throttle.And the battery is located on the left side of the frame and can be quickly ejected by turning the key.Quick installation/disassembly, simple and reliable. 19-inch frame is suitable for a person 6’- 6'6" tall

Product Description

Feature

Motor POWERFUL MOTOR --- A 500W brushless motor providing 5 levels of assistance to 30MPH max. Fully enclosed waterproof and dustproof IP5.The E-Drive control system also has a mute function, which effectively reduces noise during riding and is suitable for both commuting and outdoor exercising.	Battery LARGE CAPACITY BATTERY — With the 48V/11.6 Ah Lithium-Ion removable battery, It can travel about 26 ~ 40 miles in all electric mode(Throttle mode) and 30 ~ 50 miles in electric assist mode(PAS mode). Plenty for a day’s adventure or most trips to travel and back. You can charge the battery on/off the ebike by your convenience.	Controller 3 WORKING MODES --- Ebike & Assisted bicycle & Normal bike. you can choose 5 power assist level according to your needs. You can add a burst of speed with the throttle, which is ideal for pulling away from traffic lights. Combining five modes would be a better choice.

Battery installation The battery is located on the left side of the frame and can be quickly ejected by turning the key.Quick installation/disassembly, simple and reliable.	Fat tires The 26*4.0-inch tires make for a great ride experience on mountain roads, highways, and forestways.Suitable for beach, snow and other types of road.	Brake Double disc brakes give you a more reliable riding experience.And SHIMANO TZ500 7-speed Shifter ensures total control in every situation.

Frame: Aluminum alloy

Fork: Aluminum alloy suspension front fork

Crank: 3/32*44T

Stem: 90mm 31.8*28.6 AL

Brake: Mechanical disc brake

Pedal: 9/16

Shifter: Shimano TX50 7Speed

Rear Derailleur: Shimano TZ500

Freewheel：Shimano AMFTZ5007428 14-28T

Tires：26*4.0

Motor : 48V/500W

Battery: 48V 11.6Ah Lithium Battery

Display: LCD Display

Reasons to choose ROCKSHARK

Put heart into biycles Bikes are personal machines, and every bike fits a different need for a different type of rider. A hiland will exceed your expectations of quality and performance. If it didn’t, we wouldn’t build the bike. Put your heart, mind, and soul into even your smallest acts. This is the secret of success. - Swami Sivananda	Easy assembly The model is already 85% pre-assembled and package come with necessary assembly tools,you only need to do handlebar,front wheel,saddle,pedal(disc brake in some models) assembly,the installation will be really easy.	Directly from the manufacturer You buy directly from the manufacturer, trade margins are away from middlemen, from which you directly benefit. So you buy your new bike easily and uncomplicated at the best possible conditions.