61903-2RSF/HC (6803) Hub Bearings
Earn up to Rs. 710.00 cashback with Club House
100% Authentic
Free Shipping over ₹2,500
7-Day Easy Returns
Description
The CeramicSpeed 61903-2RSF/HC (6803) Hub Bearings are precision-engineered ceramic hybrid bearings designed for cyclists who want to extract every watt from their drivetrain. Built to replace standard hub bearings across a wide range of wheel systems, these bearings reduce friction and rolling resistance — making them a worthwhile upgrade whether you're grinding up the Western Ghats or chasing fast laps around Hyderabad's Outer Ring Road.
Our Take
India's riding conditions are demanding: gritty roads from Pune to Chennai, monsoon-season contamination, and summer heat well above 35°C all accelerate wear in standard steel bearings. CeramicSpeed's hybrid ceramic construction handles these conditions with noticeably lower rolling resistance and longer service intervals. For riders who regularly climb routes in Lonavala, Khandala, or Coorg, the reduced friction translates directly into less fatigue on long ascents — a genuine, measurable difference in real-world riding.
Sizing for Indian Riders
These are wheel hub bearings, so sizing is determined by your hub's bearing seats rather than rider body size. The 61903-2RSF/HC corresponds to the 6803 bearing standard. Before purchasing, confirm your hub's inner diameter, outer diameter, and width specifications with your wheel manufacturer or local bike shop. This sizing is consistent across European and Indian market hubs, so no regional adjustment is needed.
Compatibility Notes
The 6803 bearing standard is widely used across road, gravel, and mountain bike hubs from brands including DT Swiss, Chris King, Shimano, and many others. These are double-sealed (2RS) bearings suitable for wet and dusty Indian road conditions. Always clean bearing seats thoroughly before installation and use a proper bearing press to avoid damage during fitting.
Pairs Well With
Consider pairing these hub bearings with a quality wheelset for the full upgrade effect. A ceramic-compatible lubricant or grease will extend service life further. Bottom bracket bearings from CeramicSpeed make a natural companion upgrade, and a bearing press tool kit is essential for clean installation at home or in the workshop.
Explore the full Ceramic Speed collection at Cobbled Climbs
Why buy from Cobbled Climbs
- 100% genuine — authorised Ceramic Speed retailer in India
- Free delivery on orders above Rs. 2,500
- Cash on delivery available nationwide
- 7-day easy returns
- Shipped from Mumbai
- Expert advice — our team rides this gear
Frequently Asked Questions
What are the CeramicSpeed 61903-2RSF/HC (6803) Hub Bearings best used for?
These bearings are best used as a performance upgrade for road, gravel, or mountain bike wheel hubs. They are particularly well suited to riders who log high kilometres — such as those regularly tackling climbs in Coorg or Ooty — and want to reduce rolling resistance and extend the service intervals between bearing replacements compared to standard steel bearings.
What size CeramicSpeed hub bearings should I order for my wheels?
The 61903-2RSF/HC corresponds to the 6803 bearing standard. Sizing is determined by your hub's bearing seat dimensions, not your body size. Check your hub manufacturer's specifications for inner diameter, outer diameter, and width before ordering. If you are unsure, take your wheel to a local bike shop in Pune, Bangalore, or your nearest city for a quick measurement.
Will CeramicSpeed hub bearings hold up in Indian monsoon conditions and summer heat?
Yes. The double-sealed (2RS) design on these bearings is specifically intended to resist contamination from water, grit, and mud — conditions common during India's monsoon season and on the dusty roads found across Rajasthan and central India. The ceramic hybrid construction also handles heat above 35°C better than standard steel bearings, resisting thermal expansion and maintaining smooth rolling.
How do CeramicSpeed hub bearings compare to standard OEM steel hub bearings?
Standard OEM steel bearings are functional but wear faster under demanding conditions. CeramicSpeed ceramic hybrid bearings use harder, smoother ceramic balls that generate less friction and last significantly longer with proper care. The trade-off is a higher upfront cost — Rs. 14,200 versus much cheaper OEM replacements — but riders who value performance and reduced maintenance frequency find the investment worthwhile over a full season of riding.
Are CeramicSpeed hub bearings worth the price in India, and what warranty is included?
For performance-oriented riders in India, CeramicSpeed bearings are considered a strong long-term value based on customer feedback and specification comparisons. Lower friction means less energy wasted on every ride, and longer bearing life reduces replacement frequency. CeramicSpeed products are backed by the brand's quality guarantee — contact Cobbled Climbs directly for warranty claim support and service information specific to your purchase.
Why pay full price when loyalty pays back?
Club House rewards you for every purchase — up to 5% cashback, 100 bonus points to start, birthday rewards, and early access to limited drops. It’s our way of saying thanks for riding with us.
Shipping:
We ship all orders within 48 hours, excluding Sundays and public holidays. Delivery typically takes 3 to 5 days depending on your location.
Returns:
If your item arrives damaged, incorrect, or doesn’t fit, you may request a return within 7 days of delivery. Email us at support@cobbledclimbs.com with your order details. Items must be unused and returned in original packaging with all tags and labels intact.
Sale Item Guidelines:
Products purchased on sale are final sale and not eligible for return or exchange. Please double-check sizing, fit, and product details before purchasing.
Please note:
We follow a no money refund policy. Eligible returns are offered store credit or exchange only.
61903-2RSF/HC (6803) Hub Bearings
Earn up to Rs. 710.00 cashback with Club House
Frequently Asked Questions
Does Cobbled Climbs ship 61903-2RSF/HC (6803) Hub Bearings across India?
Is the 61903-2RSF/HC (6803) Hub Bearings on Cobbled Climbs 100% authentic?
What is the return and exchange policy for 61903-2RSF/HC (6803) Hub Bearings?
Is 61903-2RSF/HC (6803) Hub Bearings currently in stock?
What payment methods are accepted?
Does 61903-2RSF/HC (6803) Hub Bearings come with a manufacturer warranty?
How do I confirm 61903-2RSF/HC (6803) Hub Bearings is compatible with my setup?
Can I get a price match if I find 61903-2RSF/HC (6803) Hub Bearings cheaper elsewhere?
What We Reach For
When the ride calls, we don’t think twice. A jersey that’s made to move. A computer that knows the way. A care kit that keeps it all running smooth. These are the pieces we reach for — ride after ride.
