Cs-r8101 Ultegra 12 Speed Cassette
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Description
The Shimano CS-R8101 Ultegra 12-Speed Cassette brings second-tier-groupset precision to riders who demand reliable shifting across every gear. Whether you are grinding up the Western Ghats, tackling Lonavala's steep pitches, or pushing through Chennai's flat coastal roads, this cassette delivers consistent, predictable performance where it matters most.
Use Cases
Climbing setups. Wide-range cassettes for steep Western Ghats, Lavasa, and Nilgiris climbs.
Flat-terrain training. Tight-ratio cassettes for criterium and flat-road training in cities like Chennai and Ahmedabad.
All-rounder. Mid-range cassettes for rides combining flats and climbs.
Our Take
For Indian riders logging serious kilometres, drivetrain quality is not optional — it is the difference between a smooth 150km and a roadside headache. The CS-R8101 sits in Shimano's Ultegra 12-speed range, offering near-Dura-Ace shifting character at a more accessible price. In India's heat and humidity, quality cassette steel resists corrosion better than budget alternatives, making this a sound long-term investment for dedicated road cyclists in Pune, Hyderabad, and beyond.
Sizing for Indian Riders
Cassettes do not size like clothing — compatibility is what matters here. Confirm your rear derailleur and shifters are 12-speed Shimano road-compatible. Indian riders tackling climbs in Coorg or Ooty should verify the cassette range suits their preferred cadence on long gradients. Heat above 35°C does not affect cassette sizing, but it does accelerate chain wear, so choose a range that suits your terrain first.
Compatibility Notes
The CS-R8101 is a 12-speed road cassette designed for Shimano 12-speed road drivetrains. It requires a compatible 12-speed chain and Shimano road 12-speed rear derailleur. Check freehub body compatibility with your wheel — most modern road hubs are supported but verify before ordering. Replace the chain at 0.5–0.75% wear to protect cassette life.
Pairs Well With
Complete your drivetrain setup with a compatible 12-speed Shimano road chain, a quality chain wear indicator tool, wet-condition chain lubricant for monsoon riding, and a cassette lockring tool for home installation. Browse all options at Cobbled Climbs.
Explore the full Shimano collection at Cobbled Climbs | Learn more at Shimano
Specifications
| Specification | Detail |
|---|---|
| Brand | Shimano |
| Product Type | Cassette |
| Shipped From | Mumbai, India |
Explore the full Shimano collection at Cobbled Climbs
Why buy from Cobbled Climbs
- 100% genuine — authorised Shimano 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 — built for Indian cycling conditions
Frequently Asked Questions
What is the Shimano CS-R8101 Ultegra 12-Speed Cassette best used for?
The CS-R8101 is built for road cycling — training rides, gran fondos, and competitive racing. It suits riders in India tackling demanding routes like the Western Ghats, Lonavala, or long flat stretches around Delhi and Ahmedabad. Its Ultegra-level precision makes it ideal for cyclists who ride regularly and want dependable shifting without stepping up to Dura-Ace pricing.
What size Shimano CS-R8101 cassette should I order?
The CS-R8101 is a 12-speed road cassette — confirm your rear derailleur, shifters, and chain are all Shimano 12-speed road-compatible before ordering. The cassette range you choose should suit your terrain: riders climbing in Ooty or Coorg may prefer a wider range than those riding flat routes around Chennai or Kolkata. Check your freehub body compatibility with your wheelset as well.
Will the Shimano CS-R8101 hold up in Indian monsoon conditions and 35°C+ heat?
Yes, with proper care. Shimano's Ultegra-grade materials resist corrosion better than budget cassettes, but Indian monsoon and humidity still accelerate wear. Clean and re-lubricate your chain weekly during the rains, use a wet-condition lubricant during monsoon, and switch to a dry or wax-based lube post-monsoon. Servicing your drivetrain before and after monsoon season significantly extends cassette life.
How does the Shimano CS-R8101 Ultegra cassette compare to a Dura-Ace cassette?
Dura-Ace cassettes use higher-grade materials and typically weigh less, making them the choice for weight-conscious racers. The Ultegra CS-R8101 offers very similar shifting performance and durability at a lower price point, making it the better value choice for most Indian riders. For training and gran fondo use, most riders will not notice a meaningful difference in shifting quality between the two.
Is the Shimano CS-R8101 worth Rs. 8,640 in India, and what warranty does it include?
At Rs. 8,640, the CS-R8101 represents strong value for a genuine Ultegra-grade component. Cheaper cassettes wear faster under Indian conditions and cost more over time through frequent replacement. Shimano provides a manufacturer's warranty against defects — consult Cobbled Climbs at time of purchase for warranty claim support. Free delivery above Rs. 2,500 and cash on delivery are available across India.
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.
Cs-r8101 Ultegra 12 Speed Cassette
Earn up to Rs. 432.00 cashback with Club House
Frequently Asked Questions
Does Cobbled Climbs ship Cs-r8101 Ultegra 12 Speed Cassette across India?
Is the Cs-r8101 Ultegra 12 Speed Cassette on Cobbled Climbs 100% authentic?
What is the return and exchange policy for Cs-r8101 Ultegra 12 Speed Cassette?
Is Cs-r8101 Ultegra 12 Speed Cassette currently in stock?
What payment methods are accepted?
Does Cs-r8101 Ultegra 12 Speed Cassette come with a manufacturer warranty?
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