How can I determine if this is the right product for my model?

Because this Cranksets is square hole shaped, you will need a square tapered bottom bracket to go with it.Note that this crank is a 170mm size and the length of the crank is chosen according to personal habits.

How do I adjust the chain alignment? Is there a spacer I can put somewhere to help centre the chain?

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.

How do you orient the chainring on the crank arm?

One the crank arm attaches to the chainring and then to the bottom bracket square taper bolt the other crank arm attaches to the bottom bracket square taper bolt on the other side one arm points up the othe points down direct opposite see less.

What is used to secure the arms to the square taper bottom bracket arms if no screws or caps are included?

It depends on your application. A new bottom bracket will come with crank bolts. Or if replacing a existing crankset, you would just resuse the old crank bolts.

Does this product include crank/bottom bracket bolts and caps? If not included, which set should I order?

Hello! The package of this product includes a left crank arm, right crank arm and a chainring with 4PC chainring bolt. Does not include bottom bracket or caps. I hope this answer is helpful to you.

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BUCKLOS MTB 170mm Square Taper Crankset, 104 BCD Mountain Bike Narrow Wide Tooth Chainring 32/34/36/38/40/42T, Single Speed Round/Oval Chainring and Crank, fit Shimano, SRAM, FSA

BUCKLOS MTB 170mm Square Taper Crankset, 104 BCD Mountain Bike Narrow Wide Tooth Chainring 32/34/36/38/40/42T, Single Speed Round/Oval Chainring and Crank, fit Shimano, SRAM, FSA

Product ID: 323870384

Details

Brand
BUCKLOS
Material
Aluminium
Recommended uses for product
Mountain
UPC
192236746422
Strand type
Single

🔩104 BCD narrow-wide chainring for perfect chain retention

🦾Ultralight 609g aluminum alloy build

⚙️170mm crank arm length for optimal leverage

Description

🚵‍♂️ Upgrade your ride with the BUCKLOS crankset—where lightweight meets unstoppable grip!

CHAIN DROP NOT HERE - Narrow-wide tooth profile grips your chain tightly, eliminating frustrating drops on rugged trails.
SEAMLESS COMPATIBILITY - Fits Shimano, SRAM, and FSA single-speed setups for versatile upgrades.
EFFORTLESS INSTALLATION - Square taper design ensures quick, tool-friendly setup—get riding faster.
CUSTOMIZABLE GEAR OPTIONS - Choose from 32 to 42T chainrings in round or oval shapes to match your riding style.
PRECISION ENGINEERED FOR PEAK PERFORMANCE - CNC-machined aluminum alloy crankset delivers unmatched strength-to-weight ratio.

The BUCKLOS MTB 170mm Square Taper Crankset is a lightweight, durable aluminum alloy drivetrain component designed for single-speed mountain, commuter, and electric bikes. Featuring a 104 BCD narrow-wide chainring available in multiple tooth counts and shapes, it ensures superior chain retention and compatibility with Shimano, SRAM, and FSA systems. Easy to install and shipped quickly from US warehouses, it offers professional-grade performance at an unbeatable value.

Specifications

ASIN	B08L99Y1V3
Brand	BUCKLOS
Brand Name	BUCKLOS
Customer Reviews	4.4 out of 5 stars 916 Reviews
Manufacturer	BUCKLOS
Material	Aluminium Alloy
Material Type	Aluminium Alloy
Model	800105123
Number of Packs	1
Part Number	800105123
Recommended Uses For Product	Mountain biking, Commuting, Electric biking
Recommended uses for product	Mountain biking, Commuting, Electric biking
Strand Type	Single
Strand type	Single
UPC	192236746422
Unit Count	1.0 Count

Reviews

G**I

Good quality

Very easy to put on the bike. Seems to be good quality. Let's see it with time!

19.11.2022

G**N

Gambled and Won

I decided to gamble and try this cranksets on my computer bike and do far it looks like great choice and it cost me under $39. I have looked at a number of 1 x cranksets with most of them costing over $150 dollars.

1.07.2025

L**I

Light and sturdy.

Very pleased with these crank arms. Lighter and longer than the ones that came with the bike. Great product for the value. Highly recommend.

11.05.2021

L**D

Nothing to complain about

Great product

8.01.2025

T**Y

As described. Excellent quality.

17.09.2021

J**E

Looks like a nice product

While the crank arm/chainring set looks like a nice product I am unable to install it on my bike and see how it preforms and holds up to use as the set arrived without the 36 tooth chainring I picked. Very dissapointed.

11.08.2021

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TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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4 days ago

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

1 week ago

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