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Sunlite 688RS Cartridge Bearings | Durable 16x8mm MTB & Hub Precision Components
Reference Number: 3NC3EM
Upgrade your bicycle's performance with the Sunlite Cartridge Bearings 688, a premium component designed for durability, smooth operation, and versatile compatibility. Engineered with precision and high-quality materials, these 688 bearings deliver reliable performance whether you're maintaining your mountain bike, road bike, or BMX.
High-Quality Materials & Construction
Constructed from corrosion-resistant stainless steel, the Sunlite Cartridge Bearings 688 feature double sealed 2RS design for exceptional dirt and moisture protection. Their robust build ensures long-lasting performance in a variety of riding conditions, including muddy trails and wet weather, making them ideal for rugged off-road adventures or daily commuting.
Performance & Engineering Excellence
With an precise 16mm outer diameter (O.D.) and 8mm inner diameter (I.D.), these high-performance bearings provide smooth, efficient rotation, minimizing friction and enhancing your bike's overall handling. Perfectly engineered for durability under high loads, they help maintain optimal wheel and hub rotation, improving ride quality and component longevity.
Components & Compatibility
Designed to fit a wide range of hub types, including various bicycle hubs and mountain bike pivots, the Sunlite Cartridge Bearings 688 are sold in pairs for easy installation and replacement. Whether you're refurbishing your bike or upgrading existing components, these versatile bearings ensure a secure fit and reliable operation.
Style & Use Case
Ideal for cyclists seeking a cost-effective, high-quality replacement bearing, these 688 cartridge bearings are perfect for mountain biking, BMX riding, and road cycling. They are compatible with numerous hub models, making them a versatile choice for professional mechanics and DIY bike enthusiasts alike.
Innovative Features & Benefits
- Double sealed 2RS design for enhanced moisture and dirt resistance
- Rugged stainless steel construction for longevity and corrosion resistance
- Precision engineering for smooth rotation and reduced friction
- Sold in pairs for comprehensive replacement or upgrading
Optimize your bike's performance today with the Sunlite Cartridge Bearings 688-trusted, durable, and engineered for cyclists who demand excellence. Shop with confidence and enjoy smoother rides, improved durability, and reliable component performance.
- High-performance 688 cartridge bearings engineered with durable 2RS rubber seals for enhanced longevity and smooth rotation in bicycle hubs and MTB pivots.
- Designed with precision-machined stainless steel races and high-quality grease technology to reduce friction, minimize wear, and ensure consistent handling on rugged terrains.
- Universal fit for various hubs and mountain bike components, measuring 16mm outer diameter and 8mm inner diameter, making these bearings versatile for many bicycle applications.
- Sealed cartridge bearing construction provides superior protection against dirt, dust, and water, making them ideal for off-road, mountain biking, and daily cycling adventures.
- Sold in convenient pairs, these Sunlite 688 cartridge bearings deliver reliable performance, easy installation, and long-lasting durability for cyclists seeking enhanced ride quality and component efficiency.
| Item Specifications | |
|---|---|
| O.D. | 16mm |
| Fit | Various hubs, MTB pivots |
| I.D. | 8mm |
| Model | 688 |
Why 365 Cycles?
365 Cycles is an Authorized Sunlite Dealer, and we offer the Full Sunlite Warranty!
Fast Shipping!
Professional Customer Service- available 7 days a week
Check out our 200,000+ amazing reviews!
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.
At 365 Cycles our mission is to simplify the shopping experience. We want to get you the right product in a quick time frame and be here if you need help with questions, warranty, friend to talk to, etc.
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.
