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Promax SQ-1 140mm BMX Crank Arms - Aluminum, Square Taper JIS, Blue, 110 BCD
Reference Number: 3MV7IN
Upgrade your BMX or mountain bike with the Promax SQ-1 Crank Arm Set - the ultimate combination of performance, durability, and style. Designed specifically for riders seeking reliable power transfer and sleek aesthetics, this 140mm crank arm set offers compatibility with a 110mm BCD and square taper JIS spindle interface, ensuring seamless integration with a variety of drivetrain setups.
Materials & Engineering: Crafted from high-quality 6061-T6 aluminum, the Promax SQ-1 crank arms are cold-forged to optimize strength, endurance, and lightweight performance. This meticulous fabrication guarantees durability under demanding riding conditions while maintaining a low weight of approximately 503 grams for the set. The striking anodized blue finish not only enhances visual appeal but also provides resistance against corrosion and wear.
Components & Technology: Featuring a traditional five-arm, 110-bolt pattern spider, this crank set is compatible with most single-chainring configurations, offering flexibility for customizing your setup. The square taper JIS spindle interface ensures a secure fit with any JIS-compatible bottom bracket (sold separately), delivering efficient power transfer and smooth pedaling action. The 9/16" pedal spindle size is compatible with a wide range of pedals, making it suitable for aggressive BMX tricks, dirt jumps, or trail riding.
Style & Use Case: Whether you're hitting the skatepark, tackling mountain trails, or cruising around town, the Promax SQ-1 crank arms deliver a bold aesthetic with their vibrant blue finish. The steel energy-efficient design offers a perfect balance between strength and weight, making it an ideal choice for riders looking to enhance their bike's performance and visual appeal.
Innovative & Differentiating Features: The cold-forged construction, anodized protective coating, and precise engineering give these crank arms a competitive edge, ensuring longevity and consistent performance. The 42.3mm chainline and 151mm Q-factor provide optimal clearance and rider ergonomics, whether you're performing tricks or enduring long rides.
Key Features Summary:
- 140mm crank arm length designed for BMX and mountain biking
- Compatible with 110mm BCD singles and JIS square-taper bottom brackets
- Crafted from durable, lightweight 6061-T6 aluminum with anodized blue finish
- Traditional five-arm, 110-bolt pattern spider for versatile chainring mounting (no rings included)
- Designed for single-speed setups with right-hand drive compatibility
- Q-factor: 151.1mm, Chainline: 42.3mm (with 113mm bottom bracket)
- Pedal spindle: 9/16", bottom bracket sold separately
Upgrade your bike with the Promax SQ-1 Crank Arm Set for reliable power transfer, a sleek aesthetic, and proven performance on every ride. Perfect for BMX enthusiasts, mountain bikers, and urban riders looking for a high-quality, stylish crank solution.
- High-quality, durable construction with cold-forged 6061-T6 aluminum for exceptional strength and lightweight performance.
- Designed with a classic five-arm, 110mm BCD spider and compatibility with JIS square-taper bottom brackets, ensuring versatile drive train options.
- Optimized for BMX and urban riding, these 140mm crank arms combine style and function, featuring a vibrant anodized blue finish to enhance your bike's aesthetic.
- Perfect for single-speed or 1x drivetrain setups, with a 9/16" pedal spindle and durable components engineered for reliable performance and longevity.
- Innovative engineering offers a streamlined Q-Factor of 151.1mm and chainline of 42.3mm when paired with a 113mm bottom bracket, ensuring smooth, efficient pedaling.
| Item Specifications | |
|---|---|
| Number of Chainrings | No Rings Included |
| Drivetrain Speeds | Single |
| Drive Side Compatibility | Right Hand Drive |
| Chainring BCD | 110 |
| Chainrings Included | No |
| Color | Blue |
| Crankset Style | 3-Piece |
| Crank Length (mm) | 140 |
| Crank Intended Use | BMX |
| Weight | 503 |
| Pedal Spindle | 9/16" |
| BB Included | No |
| Crank Arm Material | Aluminum |
| Spindle Interface Type | Square Taper JIS |
| Defined Color | Blue |
Why 365 Cycles?
365 Cycles is an Authorized Promax Dealer, and we offer the Full Promax Warranty!
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365 Cycles delivers all your cycling needs fast! We don't waste time preparing your order. Our priority is to serve our customers first and foremost. If you need help picking the right product, have questions about bike component compatibility, or just want to geek out about bikes we are here 7 days a week! Simply put, we are bike experts from dirt to tarmac and want to make sure you get the full 365 Cycles experience when you shop with us.
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We’re dedicated to building lasting relationships with our customers, communities, and team members. We combine the knowledge and service of a traditional bicycle shop with the convenience of shopping in your own home.
Shipping & Handling
Most orders placed during the workweek before 1:30 pm EST ship the same day, but in rare cases (peak season/holiday periods) handling time can take up to 48 hours. If you have questions regarding shipping estimates, please let us know prior to placing your order. There is a direct signature requirement for all orders over $500.Please allow 1-2 business days for your order tracking to update.
- Cut off for SAME DAY SHIPPING- 1:30 pm EST Monday - Friday
- Friday afternoon -Sunday orders ship the following Monday
- Due to carrier restrictions orders shipped to: PO Box, HI, AK, & PR 365 Cycles may use a comparable service to what was selected.
Combined Shipping Discounts
To offer customers savings on shipping, we offer discounts when shipping multiple items from our store. We cannot issue refunds on shipping once an order is finalized so please follow the 5 steps below and ask if you are having trouble with the discount before you make a purchase.- Be sure you are using the US site: https://www.ebay.com
- Select Add to Cart (instead of Buy It Now) with items from our store 365Cycles
- Click on Proceed to Checkout. On the checkout page, the shipping service on each line item needs to match
- Compare First Class vs Priority as sometimes Priority can be cheaper and it gets to you faster!
- You’ll need to change the shipping method to Priority on every item in your cart before the rate can be calculated.
Returns
365 Cycles offers returns for 30 days on new items in their original, intact packaging. Return shipping for ALL orders are to be paid by the buyer. Please be sure to read our return policy entirely and if you have any questions, please contact Customer Service.
Full refunds are issued on items that are brand new and we are able to resell as new. 365 Cycles reserves the right to deny returns that are outside of policy including, but not limited to, used items, items missing original packaging, items with damaged manufacturer packaging, or international orders. Return orders must be shipped in a box or bubble mailer. Items shipped without an outer box will incur a restocking fee. You will be contacted through eBay if your return is ineligible for a full refund.
Returns must be initiated within 30 days from purchase date through your Purchase History under My eBay.
If we make an error in shipping, please contact us -- we will ship out the correct item and provide a free prepaid return label as quickly as possible!
Exchanges
If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately and, in the meantime, please initiate a return through eBay on the original item and return it. We will refund for the returned item once it is received back.
