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Shimano GRX ST-RX610 12-Speed Hydraulic Shift/Brake Lever and Flat Mount Disc Caliper
Reference Number: 3SW6MD
Experience superior control and reliability on mixed-terrain adventures with the Shimano GRX ST-RX610 Shift/Brake Lever with BR-RX410 Hyd Disc Brake Caliper. Engineered specifically for gravel cycling enthusiasts, this high-performance shifting and braking system combines innovative materials, advanced components, and ergonomic design to elevate your riding experience-whether on rugged trails or smooth pavement.
Materials & Construction
Crafted from lightweight, durable materials, the Shimano GRX RX610 lever body features gravel-specific ergonomics with a textured hood and anti-slip lever coating-ensuring optimal grip and precision control in all conditions. The BR-RX410 flat mount hydraulic disc brake caliper boasts a two-piston design with increased pad clearance, promoting quieter operation and simplified maintenance.
Performance & Engineering
This 12-speed system delivers crisp, responsive shifting capable of handling the demands of gravel and mixed-terrain riding. The hydraulic actuation, using mineral oil for smooth, consistent braking, ensures powerful stopping power with enhanced modulation. The caliper's widened pad clearance minimizes noise and eases pad replacement, while the integrated reach adjustment allows tailored fit for rider comfort and seamless control.
Components & Technology
The RX610 shifter features a practical reach adjust mechanism and contact point customization, optimizing ergonomics for all hand sizes and riding styles. The included L05A-RF resin pads with finned backplates provide efficient heat dissipation during prolonged braking, enhancing system durability and performance. The one-way bleed feature simplifies maintenance-keeping your system performing at peak levels with minimal effort.
Style & Use Case
Designed with a sleek black finish, the Shimano GRX ST-RX610 system seamlessly integrates with gravel and adventure bikes. Its flat mount caliper simplifies installation and maintenance, making it ideal for gravel riders seeking reliable, precise control on rough terrain, long-distance rides, or multi-day gravel adventures.
Innovative & Differentiating Features
- Gravel-specific ergonomic lever design for enhanced control on mixed surfaces
- 12-speed compatibility for wide gear range and versatile riding options
- Increased pad clearance to reduce brake noise and facilitate easier pad replacement
- One-way bleeding for effortless system maintenance
- Adjustable reach and contact points for personalized fit and comfort
Upgrade your gravel bike with the Shimano GRX ST-RX610 Shift/Brake Lever with BR-RX410 Hyd Disc Brake Caliper-combining precision engineering, versatile performance, and rugged style for your most demanding rides. Optimize your control and confidence on every course, on or off the beaten path.
- Advanced Shimano GRX ST-RX610 12-speed hydraulic shift/brake lever offers precise, responsive gear shifting and powerful stopping performance tailored for gravel and mixed-terrain cycling.
- Designed with gravel-specific ergonomics and anti-slip textured hoods, this lever provides superior control and comfort on bumpy trails and rugged terrains.
- Features a reach adjustment and contact point customization, allowing riders to personalize leverage and braking feel for optimal comfort and efficiency.
- Paired with the lightweight, flat mount GRX BR-RX410 disc brake caliper, this system provides enhanced modulation, wider pad clearance to reduce noise, and consistent braking in demanding conditions.
- Constructed from durable materials with minimal maintenance requirements, the system's hydraulic technology ensures smooth, quiet operation and reliable performance over long rides and diverse terrains.
| Item Specifications | |
|---|---|
| Brake Lever Actuation | Hydraulic |
| Rotor Included | No |
| Brake Caliper Mount | Flat Mount |
| Brake Lever Use | Right |
| Rear Der/Shifter Compatibility | Shimano Road |
| Brake Usage F/R | Rear |
| Drivetrain Speeds | 12 |
| Color | Black |
| Hydraulic Fluid Type | Mineral Oil |
| Pad Compound | Resin |
| Hydraulic Hose Length | 1700 |
| Includes Brake | Yes |
| Adjustable Reach | Yes |
| Adjustable Contact Point | Yes |
| Defined Color | Black |
Why 365 Cycles?
365 Cycles is an Authorized Shimano Dealer, and we offer the Full Shimano 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.
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.
