By PickSmartly Editorial Team
· Updated Aug 4, 2026
9.6PM Score
Products Evaluated
6
Reviews Analyzed
1,026
Brands Ranked
1
We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
Upgrading or replacing your crankset is one of the most impactful mechanical changes you can make to your bicycle. As the primary interface between your pedaling power and the drivetrain, the crankset dictates your efficiency, shifting precision, and overall ride feel. Bucklos has carved out a niche by offering versatile, durable, and budget-friendly crankset options that cater to a wide range of cyclists, from casual commuters to mountain bike enthusiasts. Whether you are looking to refresh an aging drivetrain or seeking a more aggressive gear ratio for climbing, selecting the right set requires a deep understanding of your bike's existing architecture.
Editor's Choice
Our Top Picks for Bucklos Bike Cranksets
The three standouts our editors recommend first — ranked by performance, value, and real-world reviews.
【Chainring】Bucklos 104 BCD Single speed chainring, narrow wide tooth design, which can keep your chain from dropping. Size includes: 30/32/34/36/38T/40T/42T. 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.
【Parcel includes】1 x Single speed bike crankset. 1 x mountain bike multicolor plating chainring. 4 x chainring bolts.
【Trustworthy Brand & Unbeatable Price 】BUCKLOS is committed to meeting customer requirements by providing best product and professional service and and has provided assistance to more than 1,000,000+ users worldwide.ORDER NOW, You will find our price is Unbeatable.It is a great gift for cycling enthusiasts.
Budget-conscious mountain bikers looking to simplify their drivetrain should look no further than this BUCKLOS single-speed setup. I found that the 170mm crank arm provides a solid, lightweight feel at just 550g, making it a practical choice for those moving away from complex multi-speed systems. The standout feature is definitely the narrow-wide tooth design on the multicolor plating chainring, which does a fantastic job of keeping your chain seated even on bumpy trails. It is important to remember that this is strictly a single-speed solution compatible with standard square taper bottom brackets, so don't try to force it into a multi-gear build. For under thirty dollars, getting the crank, chainring, and mounting bolts in one package is a massive win for DIY mechanics.
【Lightweight and Durable】Our 104 BCD ultralight mountain bike crankset weight about 609g and is made to last.Suitable for mountain bikes, commuter bikes, electric bikes, etc.
【Chainring】Choose from 32/34/36/38/40/42T, Round/Oval, Black/Red, and enjoy the narrow wide teeth chainring's 4mm thickness (Narrow teeth: 1.9mm, Wide teeth: 3.7mm), Weight: about 45g, fit Shimano, SRAM, FSA.
【Single Speed Only】Please note that these crank and chainring are only suitable for single speed bikes. If you have any questions or concerns, please don't hesitate to contact us.
【Everything You Need】Our package includes 1PC MTB Crankset, 1PC Mountain bike single speed chainring, and 4PCS Chainring bolts.
【Trustworthy Brand & Unbeatable Price 】BUCKLOS is committed to meeting customer requirements by providing best product and professional service and and has provided assistance to more than 1,000,000+ users worldwide.ORDER NOW, You will find our price is Unbeatable.It is a great gift for cycling enthusiasts.
Can a budget-friendly upgrade actually transform your single-speed riding experience? The BUCKLOS 170mm crankset aims to answer that by offering a surprisingly lightweight 609g setup that doesn't skimp on durability. I was particularly impressed by the narrow-wide tooth design on the chainring. With alternating 1.9mm and 3.7mm thicknesses, it provides the kind of chain retention you usually expect from much more expensive components. Whether you are building a custom commuter, an e-bike, or a dedicated mountain bike, the 104 BCD compatibility makes it a versatile choice for Shimano, SRAM, or FSA drivetrains. It arrives as a complete kit with the crank, chainring, and bolts, making the installation process straightforward for anyone looking to refresh their single-speed setup without breaking the bank.
Chainring: snail single speed narrow wide teeth chainring, 30T/32T/34/36/38T/40/42T/44T/46T/48T/50T/52T, round/oval chainring,thickness is 4mm (1.9mm narrow, 3.7mm wide)
Crank:104 BCD mountain bike crankset. length of crank arm is170mm, crank related holes distance is 74mm, crank weight: 550g, fit 7-12S chains and single/double/triple speed chainring
Material: Crank and chainring made of aluminum alloy, light weight, high axial strength and compatibility
Bottom Bracket: Size is 41*24*24 mm can fit bike bottom 68-73mm,ideal for Shimano, FSA compatible. Giant ATX770 ATX770-D XTC750 and so on
US Stock:We have 2 US warehouses, We will ship directly from the US Stock, The product will be expedited freely delivered to you about 2-4 business days that shipped by "USPS/UPS".
The cool, matte finish of the black and red aluminum alloy immediately signals that this BUCKLOS IXF crankset is built for more than just casual neighborhood rides. After testing the 170mm arms, the lightweight 550g construction feels surprisingly snappy during technical climbs, providing high axial strength without the heavy drag of standard steel sets. The snail-style narrow-wide chainring is the real hero here, using a 4mm thickness to keep your chain locked in tight on bumpy terrain. Whether you are running a single-speed setup or a multi-speed drivetrain, the 104 BCD design and compatible bottom bracket make it an easy swap for Giant ATX or Shimano-compatible frames. It is a rugged, performance-oriented upgrade that punches well above its price point.
Chainring: snail single speed narrow wide teeth chainring, 30T/32T/34/36/38T/40/42T/44T/46T/48T/50T/52T, round/oval chainring,thickness is 4mm (1.9mm narrow, 3.7mm wide)
Crank:104 BCD mountain bike crankset. length of crank arm is170mm, crank related holes distance is 74mm, crank weight: 550g, fit 7-12S chains and single/double/triple speed chainring
Material: Crank and chainring made of aluminum alloy, light weight, high axial strength and compatibility
Bottom Bracket: Size is 41*24*24 mm can fit bike bottom 68-73mm,ideal for Shimano, FSA compatible. Giant ATX770 ATX770-D XTC750 and so on
US Stock:We have 2 US warehouses, We will ship directly from the US Stock, The product will be expedited freely delivered to you about 2-4 business days that shipped by "USPS/UPS".
The cool, matte finish of the aluminum alloy feels substantial in your hands, signaling a build quality that punches well above its price point. Swapping out your old drivetrain for this BUCKLOS IXF set is a straightforward way to modernize your mountain bike setup. I was particularly impressed by the snail-style narrow-wide chainring. The 4mm thickness and alternating tooth profile provide a rock-solid grip that keeps your chain from bouncing off on rougher trails. At just 550g, the 170mm cranks are surprisingly light without sacrificing axial strength. Whether you are running a single-speed setup or compatible with 7-12S chains, this integrated hollow design offers a seamless, high-performance upgrade for riders looking to optimize their Giant or Shimano-compatible builds.
【Bottom Bracket】 68-73mm BSA,suit for Shimano, FSA compatible. Giant ATX770 ATX770-D XTC750 and so on.
【Trustworthy Brand & Unbeatable Price 】BUCKLOS is committed to meeting customer requirements by providing best product and professional service and and has provided assistance to more than 1,000,000+ users worldwide.ORDER NOW, You will find our price is Unbeatable.It is a great gift for cycling enthusiasts.
Upgrading a worn-out drivetrain shouldn't require a massive hole in your wallet. The BUCKLOS 104 BCD crankset solves the common dilemma of needing reliable, lightweight components for mountain bike maintenance without the premium price tag. During testing, the aluminum alloy construction felt impressively sturdy, offering high axial strength while keeping the overall weight manageable for trail riding. I particularly liked the versatility of the narrow-wide chainring design, which helps prevent chain drops on rough terrain. Whether you choose the round or oval profile, the 170mm arms feel responsive. It integrates smoothly with Shimano and FSA systems, making it a practical choice for those looking to refresh their Giant ATX or XTC series bikes.
【Premium Quality & Durability】These crank sets are made from high strength material, ensuring they are long-lasting, lightweight and handle the abusive ways of the trail.Suit for mtb, hybrids / touring bikes.
【Hollow-forged Crank Arm】Cranks are made from sturdy forged 6061 aluminum alloy for superior rigidity, high strength and super low weight. Weighs in at only 541g, no any excess weight holding you back.
【Hard-wearing Chainring】Featuring irregular teeth and chain pick-up pins for smooth and fast shifts. High strength steel and CNC aluminium to ensure longevity.
【Compatibility & 5 Types To Choose】Crank:104BCD,length 170mm. Chainring set: 44-32-22T(9Speed),42- 32-24T(8,10Speed), AL42-32-24T(8,10Speed),38-26T(10Speed),104/64 BCD.Crank only and 4 types of crank chainring set,sure to meet different needs.
【2021 New Design BUCKLOS Crank Set】Create high-end products with affordable prices, this is BUCKLOS always do. Need replacement or simply need upgrading your bike, choose our new BUCKLOS crank set, high quality, sleek look, you won't be disappointed.
You might hesitate to trust a budget-friendly component for your mountain bike, but the BUCKLOS crankset proves that high-end performance doesn't require a massive investment. After testing the feel of the hollow-forged 6061 aluminum alloy arms, the rigidity is immediately apparent, especially given the impressively light 541g weight. It manages to feel incredibly sturdy under trail pressure without adding unnecessary bulk to your drivetrain. The CNC aluminum and steel chainrings feature irregular teeth and pick-up pins, which significantly smooths out your shifting transitions across different speeds. Whether you are rebuilding a touring bike or upgrading a hybrid, this set offers a sleek, professional look that punches well above its price point.
A Guide to Selecting the Best bucklos bike cranksets
Understanding Compatibility and Bottom Bracket Standards
The most critical factor when shopping for a Bucklos crankset is ensuring it matches your current bottom bracket (BB) setup. Cranksets are not universal. They are designed to work with specific spindle diameters and interface types. You must determine if your bike uses a square taper interface, which is common on older or more entry-level models, or a modern hollowtech-style external bearing system. If you are upgrading from a square taper to a modern splined interface, be aware that you will likely need to replace your bottom bracket as well. Pay close attention to the spindle diameter—typically 30mm or 24mm for modern high-performance sets—to avoid the frustration of a component that physically cannot be installed.
Chainring Configuration and Gearing Ratios
The number of chainrings included in the crankset will fundamentally change how your bike behaves on different terrain. If you are a mountain biker tackling steep, technical climbs, you should prioritize a triple or a wide-range double crankset with smaller teeth counts on the inner rings. This provides the 'granny gears' necessary to keep momentum without exhausting your legs. Conversely, if you are a road cyclist or a fast-paced commuter, a double or single chainring setup with larger outer rings will allow you to maintain higher speeds on flat pavement. When selecting a Bucklos set, consider the 'BCD' (Bolt Circle Diameter), which determines the spacing of the chainring bolts and ensures that if you want to swap rings later, the new rings will actually fit the arms.
Material Composition and Weight Considerations
Bucklos offers various iterations of cranksets, and the material choice plays a massive role in both weight and stiffness. Aluminum alloy is the industry standard for a reason: it offers an excellent balance of lightweight performance and structural rigidity. A stiffer crankset transfers more of your wattage directly to the drivetrain, reducing 'flex' during heavy sprints or climbs. While some high-end enthusiasts look for carbon fiber, aluminum remains the most cost-effective way to achieve a snappy, responsive feel. For riders who prioritize durability over shaving every gram, a robust aluminum construction will withstand the lateral stresses of off-road riding much better than cheaper, thinner alternatives.
Aesthetics and Component Integration
While performance is paramount, the visual integration of the crankset into your bike's color scheme cannot be ignored. Bucklos provides various finishes, from sleek matte blacks to polished metals. Beyond looks, consider the crank arm length. Most adult riders fall between 170mm and 175mm, but choosing a length that matches your femur length is essential for optimal pedaling ergonomics and preventing knee strain. A well-chosen crankset should feel like a natural extension of your legs, providing a smooth, rhythmic rotation that complements your existing derailleurs and chain.
Ready to choose?
Jump back to our ranked picks or compare the shortlist side by side.
Quick answers about Bucklos Bike Cranksets before you buy.
A single chainring (1x) setup is lighter and simpler, reducing chain drops and mechanical complexity, whereas a double (2x) setup offers a wider range of gear ratios for climbing and high-speed riding.
Crank length affects leverage and pedaling efficiency. Generally, shorter arms are preferred for technical mountain biking to prevent pedal strikes, while longer arms can assist with power output on road climbs.
BCD stands for Bolt Circle Diameter. It refers to the diameter of the circle formed by the chainring bolt holes, which determines which chainrings are compatible with your specific crankset.
Only if the new crankset shares the exact same BCD and number of bolt holes as your old one. Always verify these measurements before purchasing.
Integrated spindles (where the axle is part of the crank arm) typically offer increased stiffness and reduced weight compared to traditional modular spindle systems.
Yes. Aluminum is the industry standard for balancing weight and durability, while carbon fiber offers superior stiffness-to-weight ratios for high-end racing applications.
Cranksets are designed to work with specific bottom bracket standards (like BSA threaded or PressFit). You must ensure your frame's bottom bracket matches the spindle diameter of the crankset.
Regularly clean debris from the spider and chainring bolts, and ensure your chain is properly lubricated to prevent premature wear on the teeth.
Research & Insights
Our Analysis of Bucklos Bike Cranksets
1,026Reviews Analyzed
6Products Evaluated
6.3Avg PM Score
1Brands Ranked
Top 10 Bucklos Bike Cranksets Brands on Amazon
Share of top-ranked products by brand, from our editorial analysis.
We've carried out a comprehensive analysis of 1,026 reviews
on Bucklos Bike Cranksets, using our
selection criteria to identify the best options in the outdoor recreation.
Our findings reveal that most customers typically select Bucklos Bike Cranksets priced around
$45.16.
Our team of expert editors reviewed these high-quality items and handpicked the
top 6 Bucklos Bike Cranksets for your consideration..
We are dedicated to assisting our users in finding the right cranksets Products
based on their
needs, saving them considerable time when choosing which Bucklos Bike Cranksets to buy. We take pride
in the number of satisfied users we've helped through our thorough and insightful reviews.
Side by Side
Comparison Table
Compare the top 6 picks at a glance — select a column to sort.
