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- BUCKLOS MTB Mountain Bike Single Speed Square...
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Item #:
29934669
BUCKLOS MTB Mountain Bike Single Speed Square Taper Crankset -170mm Cranksets Bicycle Crank Set with 104BCD 32/34/36/38/40/42T Round/Oval Chainring
Item #:
29934669
XAF 33377
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Imported from USA store
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Order now and get it around Friday, August 28
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BUCKLOS MTB 170mm Square Taper Crankset is the perfect choice for commuter, electric, and mountain bikes with its lightweight and durable construction. It also includes everything you need for a single speed bike, and the unbeatable price makes it an excellent gift for cycling enthusiasts.
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What Stands Out
Versatile Sizing
Offers multiple chainring options from 32T to 42T, making it ideal for various riding styles and terrains, perfect for both mountain biking and commuting.
Sturdy Construction
Built with durable materials ensuring longevity and reliability, this crankset withstands rough conditions, providing excellent performance for adventurous riders.
Easy Installation
Designed for a straightforward setup with a square taper fitting, enabling quick assembly for users and enhancing the appeal to DIY enthusiasts and casual riders.
Product Details
| Recommended Uses For Product | cycling, mountain biking |
| Strand Type | Single |
| Material Type | Aluminium Alloy |
| Brand Name | BUCKLOS |
| UPC | 192236746347 |
| Part Number | 800105123 |
| Unit Count | 1.0 Count |
| Manufacturer | BUCKLOS |
| Brand | BUCKLOS |
| Material | Aluminium Alloy |
| Item Weight | 2 lbs (910 grams) |
Who Should Buy?
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Casual Cyclists
Ideal for recreational bikers seeking an efficient crankset for smooth rides on flat or slightly hilly terrains.
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Ebike Users
Designed to enhance performance, especially for ebikes, providing reliable power delivery and ease of installation.
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Commuters
Great for daily commuters needing a sturdy, lightweight crankset for navigating urban environments effortlessly.
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Professional Riders
May not meet the demands of competitive cyclists needing specialized cranksets for high-performance racing or technical terrains.
Product Description
BUCKLOS MTB Mountain Bike Single Speed Square Taper Crankset -170mm Cranksets Bicycle Crank Set with 104BCD 32/34/36/38/40/42T Round/Oval Chainring Fit for Ebike/Commuter Bike
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Is this crankset compatible with Shimano, SRAM, and FSA?
Answer: Yes, it is compatible with Shimano, SRAM, and FSA. -
Question:
Is this crankset suitable for both single speed and multi-speed bikes?
Answer: No, it is only suitable for single speed bikes. -
Question:
What is included in the package?
Answer: The package includes 1 MTB Crankset, 1 Mountain bike single speed chainring, and 4 Chainring bolts. -
Question:
I have a schwinn axum dp. the spindle is square tapered however i am not able to get the crank arm far enough on the spindle to work. any suggestions?
Answer: If the crank went into the spindle as far as the bolt will tighten it, the space between the bottom bracket tube and the chain ring is usually larger than if you would have a bsa bottom bracket. Pictures would help get a better answer. -
Question:
Will this work on gt agressor pro?
Answer: Does it have square axle bottom bracket?if so then y -
Question:
Does this work with a 16 tooth freewheel?
Answer: I have been using this on a multi speed bike (3/32" chain ) which is narrower than a single speed (1/8" chain) it will work on your freewheel. -
Question:
I need the left square Taper only, The right side always comes with the speed chainring?
Answer: Make sure the BB square taper is oriented correctly. These are 45° to the crank arm -
Question:
Whats total weight in grams and it come with crank dust caps?
Answer: If you are concerned about weight, get carbon cranks. These are about a pound. -
Question:
What size thread pattern for the pedals?
Answer: standard 9/16 pedals fit -
Question:
Will this fit an 18-inch Mongoose fat tire bike?
Answer: I used the same crankset on a mongoose malus fat bike. Had to buy a square taper crank removal tool, but the install went great with no issues. I ordered the 32tooth setup. -
Question:
I have a 26in fat tire electric bike. Will this fit? There is 42 teeth on the current one. Only other marking is a prowheel 2n170
Answer: As long as you have a square taper bottom bracket, the arms will fit. Also, the only other measurement you will need is what’s known as the Bolt Center Diameter (BCD). Remove your chainring from your bike and take the measurement from the center of one bolt hole and measure to the bolt hole center on the opposite side. If it measures right around 104mm (-4 in), then your chainring will also fit. If you want to use a smaller chainring, you will likely need to shorten your chain. There are YT videos online to show you how to do that. Also, note that this crank arm can really push the chainring out from the frame of the bike. It’s just because of the way it’s shaped. The benefit is that it gives you a slightly wider stance while pedaling (I found it more comfortable), but you may need to fidget with your gears for a while because the chain line will be way off. -
Question:
How do I adjust the chain centering? Is there spacers to put somewhere?
Answer: The chain ring mounting area has two sides. Placing them on either side will move the chain ring about 10mm. Do not use washers between the crank and the ring because there are no chain ring bolts that are long enough. -
Question:
Will this fit a mongoose 29er?
Answer: It fits a square taper BB
BUCKLOS Cranksets Editorial Review
The crankset appears to be of good quality but there have been some reported issues with installation and missing bolts. It is recommended to check the rear derailleur manual for proper tension and to ensure the chain is long enough to reach the largest rear sprocket. Customers also report having to purchase additional bolts for installation. There were also complaints of cross-threading and stripping of the mounting holes. The manufacturing has a styling curve that brings the outboard tip closer to the bike, resulting in wobbling and improper seating of pedals. The package includes a left crank arm, right crank arm, and chainring with 4PC chainring bolt but does not include bottom bracket or caps.
Customer Reviews & Ratings
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Pros
- Good quality
- Comes with chainring and bolt
Cons
- Missing bolts for installation
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
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23 July 2026 · via Trustpilot
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XAF 33377
Order now and get it around Friday, August 28
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Features & Benefits
- Lightweight and durable construction
- Suitable for mountain, commuter, and electric bikes
- Choose from 32/34/36/38/40/42T, Round/Oval, Black/Red Chainring
- Narrow wide teeth chainring with 4mm thickness
- Package includes MTB Crankset, Mountain bike single speed chainring, and Chainring bolts
- Unbeatable price
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