Best Andeshunk in 2026

Crank:104 BCD ultralight mountain bike crank, only can be used on Single speed chainring.

Crank Arm Length: 170mm, Crank weight: 550g, Crank related holes distance: 74mm.

Chainring:Snail single speed narrow wide teeth chainring, 104BCD, 32/34/36/38T.

Crank:104 BCD ultralight mountain bike crank, only can be used on Single speed chainring.

Crank Arm Length: 170mm, Crank weight: 550g, Crank related holes distance: 74mm.

Chainring:Snail single speed narrow wide teeth chainring, 104BCD, 32/34/36/38T.

Crank:104 BCD ultralight mountain bike crank, only can be used on Single speed chainring.

Crank Arm Length: 170mm, Crank weight: 550g, Crank related holes distance: 74mm.

Chainring:Snail single speed narrow wide teeth chainring, 104BCD, 32/34/36/38T.

Arm Material: aluminum

Arm Length: 165m, 170mm, 172.5mm, 175mm

Chainring Sizes: 36 / 46t, 34 / 50t, 36 / 52t, 39 / 53t

Application: Tool For install and remove the crank arm dust cap

Compatibility: Only compatible with Shimano 8 teeth internal splines dust cap

Top Quality: Sturdy plastic material makes sure you do the maintenance with confidence

LONG RANGE BATTERY & POWERFUL MOTOR – With modular 36V, 10Ah battery, the Cityscape allows riders to travel up to 40 miles per charge using pedal assist. 350w rear-drive motor provides reliable support and 19mph top speed.

UPGRADE YOUR COMMUTING- Better improved materials Step-Through geometry frame and wide swept-back handlebar, With all the benefits of the Cityscape,, this is the true comfort cruiser you've been searching for.

EXCELLENT RIDING EXPERIENCE- Equipped with 26" puncture resistant tires, Shimano 7-speed and dual shock absorber. Cityscape lets you get across town like never before. The perfect dual disc brakes and lighting system fully protect your safety.

🚴‍♂️- Great Deal, Why price is low? you are buying from factory! affortable on Price (200% lower!), great on Quality, sounds awaresome! It is compatible with any 104bcd crank arm from Shimano, SRAM or FSA, find the Crankset arms in our shop; Much low cost for you to stock some parts and always change, use a new chainring;

🎁 - Gift Options, it looks just as a beauty with excellent annodization, You may find it a gift option to your husband, wife, boyfriend, girlfriend, or gift for your kids' bike for back to school gift, Christmas gift, Valentine's day gift, Mother's day or Father's day gift, thanksGiving gift or New year gifts, for mountain bike, fat bike or e-bike;

🌟 - Light Well Build, overtime everyone would convert to single round or oval narrow wide chainring, 1x7, 1x8, 1x9, 1x10, 1x11, 1x12 setup, this 104bcd chainrings made by strong T6 alloy construction, lightweight but aerospace grade strengh, never dropped chain with proper adjustment, forgot chain guide;

8mm Hex Head Crank Fixing Bolt and Cap Pair

Hex-type steel crank fixing bolt set with integrated plastic dust cap

bolt size: 8x1.0mm hex cap

Revolutionary innovation

Performance that is simply second to none

Achieve the ultimate ride

Revolutionary innovation

Performance that is simply second to none

Achieve the ultimate ride

48 MILES RANGE & 20MPH TOP SPEED –Mars are equipped with modular 48V 12.5Ah batteries & 500w Brushless Geared Motor to ensure a long-life span and excellent performance.

4" FAT TIRES – With 4 inch wide puncture resistant fat tires and dual suspension. The places that Heybike Mars can take you are almost limitless: downtown around, rocky roads, sandy beaches, snowy suburbs, and even urban jungles.

EXCELLENT RIDING PERFORMANCE – Customize your ride performance with 3 riding modes and Shimano 7-speed. The perfect dual disc brakes and lighting system fully protect your safety.

104mm BCD single speed rings designed for 10 speed drivetrains

Includes BSA 68/73mm bottom bracket

Shimano Reference Number: FC-M640

Revolutionary innovation

Performance that is simply second to none

Achieve the ultimate ride

STRONG AND DURABLE PROTECTION: Our crank defender protection is designed to last! Our crank cover has extra protection to protect your mountain bike by not absorbing water, mud or dirt!

HIGH QUALITY MATERIALS: This crank boot brings an elegant solution to protect your cranks and add some style. This top quality kit includes 2 crank defenders to cover the pertinent area of your bike!

CUSTOMIZE YOUR BIKE: Don't ruin the look of your bike, improve it! Whether you ride a steel, aluminum or carbon frame protect your cool rig in All Mountain Style. We have different colors available to improve the look of your bicycle!

175mm crank arm length

Comes with 3 chainrings - 42/32/22

Comes with a chainguard

072774210169

Altus FC-M311 Crankset

Chromoly Crank Arms, Chromoly Spindle with 8 Splines

American Bottom Bracket (Sealed Bearings)

Sold As Complete Set

072774022311

Hyperdrive SG-X chainrings

Chainguard integrated design

Chainguard model

☆ 104 BCD CHAINRING - 104BCD Round Oval Narrow Wide Single Bike Chainring for 8 9 10 11 Speed Mountain Bike Road Bike MTB BMX. The Versatility of the 104 BCD, Stop dropped chains, install simply. Please carefully confirm the specification of crank 104 BCD before purchasing

☆ SAFE EFFLCIENT DESIGN - CNC machining integrated, intensity is more secure, appply for long time cycling. Extended edition plus or minus tooth shape, the chain can effect better

☆ LIGHTWEIGHT DESIGN - 104 BCD chainring is made of alloy structure, lightweight but sturdy. with positive and negative (The positive tooth corresponding chian tooth width; tooth corresponding negative chain is narow ), teeth designed to prevent the chain from dropping, and can lose about 1 kg in weight

Optimal Performance : Solo is designed for single chainring conversions with 104mm BCD interface bike crankset. Provides tighter connection between the chain and the ring, and keeps the chain firmly in place.

Enhanced Compatibility : It's compatible with 9 to 12 speed chains, making it a versatile and practical option for a variety of different bikes and riding styles. Provides reliable and efficient performance across a range of different speed configurations.

Superior Chain Retention : The narrow-wide design locks the chain tightly with its alternating tooth, ensuring maximum security, and less likely to fall off even riding on the toughest terrain.

Revolutionary innovation

Performance that is simply second to none

Achieve the ultimate ride

【Chainring】Bucklos 104 BCD Single speed plating multicolor chainring, narrow wide tooth design, which can keep your chain from dropping. Size includes: 30/32/34/36/38T. Shape: Round/Oval.

【Crank】104 BCD ultralight mountain bike crank, solid and durable, only can be used with single speed chainring. And, this crank will fit most standard square taper bottom bracket. Crank weight: 550g. Crank related holes distance: 74mm. Crank Arm Length: 170mm.

【Note】About these product, we have something important to tell you. The crank and chainring are only used for single speed, can not be used with other speed or chainring. If you are in issues before or after purchasing, please contact us in time.

Sram S600 triple chainsets

42-32-22 teeth chainrings with 175mm cranks

Made of forged alloy

Revolutionary innovation

Performance that is simply second to none

Achieve the ultimate ride

Inspired by those long rides up and down the coast, this electric beach cruiser design will make your trip a breeze while riding in style. Whether you are out for a short cruise to the beach or a long trip, the relaxed and laid-back riding position is all about comfort and ease allowing you to enjoy the scene you love.

One-piece high-quality Step-Thru aluminum alloy frame enhanced Shock front fork Seat post Shock, Detachable And Sturdy Luggage Rack, 30.8mm aluminum high-end belt clip saddle can withstand 325 pounds. It will give you a great experience

A large capacity 48V12Ah removable anti-theft Lithium battery (you can bring it to your home or office to recharge); 48V500 Watt (915 Peak Watt) rear-drive motor and intelligent M5 LCD Display ( 5 Power Levels, Pedal-Assist Level, Speed, Voltage, Battery Life, Temperature Gauge, Trip Distance, Ride Time Odometer), the core components to provide excellent quality performance and will help you reach 25mph with ease.

This electric bicycle is the best combination of Luxury, Power, Speed Range. with an extra-large frame and upright riding, with a front shock, seat post shock, gel Seatbringing. Bring for you “ Ultra-comfortable Of Feeling” when you ride on the way!

A large capacity 48V16Ah removable anti-theft Lithium battery (you can bring it to your home or office to recharge); 48V750 Watt (1325Peak Watt) rear-drive motor and intelligent M5 LCD Display ( 5 Power Levels, Pedal-Assist Level, Speed, Voltage, Battery Life, Temperature Gauge, Trip Distance, Ride Time and Odometer), the core components to provide excellent quality performance and will help you reach 28mph with ease.

This bike has 4 working modes: 1. Walk mode: 3 miles/hour, You can easily walk with your bike; 2. Throttle Mode: you do not need to ride; 3. Pedal-assisted Mode: with the assisted mode, you can do some exercise (Using PAS 0: no power; PAS 1: The speed is 8MPH, the cruising range about 65 75miles; PAS 3: Speed is 19MPH, range 45 55; PAS 5: Speed is 28MPH, range 30-40); 4. Regular bicycle Mode: also you can choose to turn off the power, then like a regular bicycle to ride.

[UPGRADE HUMANZIED DESIGN] Explore features the most popular step-thru frame design, making it easy to lift your legs over the ebike. The sturdy rear frame extends the load capacity to 120 lbs, making the Explore comparable to a tandem bike. The extra water bottle holder and a position to mount the front basket (not included) are designed for extended storage space. More possibilities for your travels!

[REMOVABLE MASSIVE BATTERY] Equipped with a large 48V 20AH battery and a powerful 750W motor, the Explore electric bicycle provides high speeds of up to 28mph, shortening your daily commute and ensuring an excellent off-road riding experience.

[SMOOTH SAFE RIDING] 4 wide fat tires provide greater grip and traction, with excellent suspension fork and seat post. The fat tires can conquer all kinds of rough terrain, including snow, beaches, rugged mountain roads, etc.

Compatible with 1/2" pedals

Forged steel

24 TPI