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Upgrade your mountain bike with the Sun Ringle Helix TR27 SL Rim - the ultimate 29-inch alloy wheel optimized for disc brake systems. Crafted from durable yet lightweight alloy, this rim offers an excellent blend of strength, performance, and weight savings ideal for aggressive trail riding and cross-country adventures.
Materials & Construction:
Built from high-quality alloy, the Sun Ringle Helix SL Rim ensures durability and reliability in demanding riding conditions. Its midweight extrusion strikes a perfect balance between robustness and minimal weight, making every pedal stroke more efficient. The rim features pinned and sleeved construction with a single eyelet design for enhanced strength and integrity, ensuring long-lasting performance on rugged terrain.
Performance & Engineering:
Designed for precise performance, this 29-inch rim boasts a 22mm internal width, optimized for tubeless-ready tires, providing excellent traction, sidewall support, and reduced rolling resistance. With an ERD of 601mm and a true ISO diameter of 622mm (29"), it fits a wide range of high-volume tires. The zero offset rim center aligns perfectly for balanced handling, while the dedicated disc brake compatibility ensures reliable stopping power even under heavy braking.
Components & Technology:
Featuring 32 symmetrical spoke holes, the Helix TR27 SL is compatible with various hubs for versatile setup options. Its tubeless-ready design minimizes the risk of flats and allows for lower tire pressures, enhancing grip and comfort. The Presta valve compatibility ensures easy inflation and compatibility with most high-performance road and mountain bike tires.
Style & Use Case:
Finished in sleek black, this rim offers a modern, streamlined look suited for aggressive trail runs, XC racing, or endurance rides. Its robust construction and tubeless capacity make it an ideal choice for riders seeking durability and performance on technical singletracks, steep descents, and long-distance adventures.
Innovative Features:
The Helix SL Rim incorporates pinned and sleeved construction for added structural integrity and durability. Its tubeless-ready profile makes installation straightforward, reducing weight while improving puncture resistance and tire grip. Designed specifically for disc brake setups, it provides consistent braking performance across diverse trail conditions.
Key Specifications:
- Diameter: 29" (622mm ISO)
- Internal Width: 22mm for versatile tire compatibility
- Material: Alloy construction with pinned, sleeved joints
- Brakes: Disc-only brake compatibility
- Valve Type: Presta
- Spoke Holes: 32
- Weight: Approximately 522 grams
- Color: Black
Enhance your mountain biking experience with the Sun Ringle Helix TR27 SL Rim - engineered for durability, performance, and tubeless reliability that keeps you confidently riding any trail.
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.
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!
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.