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Q Ring Q39t 53 Bcd110x4 Inner Black

Sale priceRs. 3,800.00

Earn up to Rs. 190.00 cashback with Club House


Description

The Rotor Q Ring Q39t is an oval chainring designed to smooth out dead spots in your pedal stroke, making it a compelling upgrade for riders who want more efficient power transfer on long climbs, training rides, or race day. Fitted as an inner chainring with a 110x4 BCD, it suits a wide range of road and gravel double-chainset builds. Cobbled Climbs is the authorised retailer for Shimano in India.

Use Cases

Daily training. Reliable use across Indian training conditions — heat, humidity, and rough tarmac.

Race day. Performance-grade construction for competitive efforts.

Long rides. Built for full-day rides across Western Ghats, Sahyadri, or Nilgiri climbs.

Our Take

On the long climbs out of Lonavala or the grinding ascents toward Ooty, cadence consistency matters more than raw power. Rotor's oval Q Ring geometry reduces muscular fatigue by loading the legs through their strongest arc and easing pressure through the dead zone. At Rs. 3,800, this is a worthwhile upgrade for riders who log serious kilometres in India's heat and hilly terrain and want to get more from each pedal revolution.

Sizing for Indian Riders

This is a 39-tooth inner chainring with a 110 BCD, 4-bolt pattern — confirm your crankset matches before ordering. There is no European-to-Indian size conversion needed, but do verify your chainline suits the inner position. Riders running compact or semi-compact double setups on Pune or Delhi sportive builds should double-check outer ring pairing for clean shifting across the full range.

Compatibility Notes

Fits 110 BCD, 4-bolt cranks — common on many Shimano, SRAM, and third-party road cranksets. Confirm 10, 11, or 12-speed chain compatibility with your groupset. Clean the chainring regularly; India's monsoon grit and dust accelerate wear noticeably. Inspect for chain skip every few thousand kilometres and replace the chain before it damages the ring's oval tooth profile.

Pairs Well With

Complete the drivetrain upgrade with a quality chain suited to your groupset speed, a wet-condition chain lubricant for monsoon riding, a chain wear checker to protect your investment, and a matching outer Q Ring chainring if you want the full oval pairing across both rings.

Explore the full Rotor collection at Cobbled Climbs

Specifications

Specification Detail
Brand Shimano
Product Type Cycling Product
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 Rotor Q Ring Q39t best used for?

The Rotor Q Ring Q39t is best suited for road cyclists who want to improve pedalling efficiency on long climbs and extended training rides. Its oval profile reduces fatigue through the dead spot of each pedal stroke, making it particularly useful on sustained ascents like those found in the Western Ghats, Coorg, or the climbs around Shimla.

What size Rotor Q Ring should I order for my crankset?

This specific ring is a 39-tooth inner chainring for 110 BCD, 4-bolt cranksets. Before ordering, confirm your crankset's bolt circle diameter and bolt count. The 110x4 BCD is common on many Shimano and SRAM road cranks, but always verify — an incorrect BCD means the ring will not mount. Tooth count should also match your intended gearing range.

Will the Rotor Q Ring hold up in monsoon conditions and Indian heat?

Yes, with proper maintenance. India's monsoon season and 35°C+ heat accelerate chainring wear if the drivetrain is neglected. Clean the ring after wet rides, use a wet-condition lubricant through the rains, and inspect the tooth profile regularly. Switching to a dry or wax lube post-monsoon will help extend the life of both the ring and your chain.

How does the Rotor Q Ring compare to a standard round chainring?

A standard round chainring applies consistent resistance throughout each pedal revolution, including the mechanically weaker dead zones at the top and bottom of the stroke. The Rotor Q Ring's oval shape reduces effective resistance through those dead zones and increases it through the power phase, aiming to smooth out pedalling force and reduce leg fatigue over long distances.

Is the Rotor Q Ring worth Rs. 3,800 in India, and what warranty does it include?

At Rs. 3,800 with free delivery above Rs. 2,500 and cash on delivery available across India, the Q Ring represents solid value for a performance-oriented chainring upgrade. Rotor products are covered by the brand's standard manufacturing warranty against defects. For warranty claims or support, contact Cobbled Climbs directly — our team can assist with the process from Mumbai.

Details

The Rotor Q Ring Q39t is a 39-tooth oval inner chainring engineered for 110 BCD, 4-bolt cranksets. The oval profile is designed to reduce muscular stress through the dead spot of each pedal revolution, encouraging smoother, more consistent power delivery across a full stroke. Finished in black, it is compatible with a range of modern road and gravel groupsets. Suitable for 10, 11, and 12-speed chain widths depending on groupset pairing. Designed for use in the inner position on a double chainset configuration.

Specifications

Specification Detail Brand Rotor Product Type Chainrings Shipped From Mumbai, India

Fitting

This chainring is sized by tooth count and bolt circle diameter rather than rider body size. The Q39t refers to a 39-tooth ring in the Q Ring oval format. The 110x4 specification means it requires a crankset with a 110mm bolt circle diameter and a 4-bolt spider pattern. Before ordering, measure or confirm your current crankset's BCD and bolt count. If upgrading from a standard round ring, the tooth count and BCD must match exactly for correct fitment and shifting performance.

The Story Behind The Brand

Rotor is a Spanish engineering company founded in 1998, specialising in oval chainrings, power meters, and cranksets used by professional road and track cyclists worldwide. Their Q Ring oval technology is backed by biomechanical research and has been adopted by WorldTour teams seeking measurable gains in pedalling efficiency.

Loyalty Program

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 + Returns + Refunds

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.

Crash Replacement

Easy Returns

Frequently Asked Questions

Does Cobbled Climbs ship Q Ring Q39t 53 Bcd110x4 Inner Black across India?
Yes, Cobbled Climbs ships Q Ring Q39t 53 Bcd110x4 Inner Black to all major cities across India including Mumbai, Delhi, Bangalore, Chennai, Pune, Hyderabad, Kolkata, and Ahmedabad. Orders above ₹2,500 qualify for free shipping. Standard delivery takes 3–5 business days. Express delivery is available at checkout for most pin codes.
Is the Q Ring Q39t 53 Bcd110x4 Inner Black on Cobbled Climbs 100% authentic?
Yes. Cobbled Climbs is an authorised retailer for Rotor in India. Every product, including Q Ring Q39t 53 Bcd110x4 Inner Black, is sourced directly from the brand or their official distributors. All products come with original brand packaging, tags, and warranty documentation.
What is the return and exchange policy for Q Ring Q39t 53 Bcd110x4 Inner Black?
Cobbled Climbs offers a 30-day return and exchange policy on Q Ring Q39t 53 Bcd110x4 Inner Black. The item must be unused and returned in its original packaging with all tags attached. To initiate a return, email support@cobbledclimbs.com with your order number. Size exchanges are processed free of charge on the first request.
Is Q Ring Q39t 53 Bcd110x4 Inner Black currently in stock?
This product is currently out of stock. Use the Notify Me button on this page to receive an email as soon as it is back in stock.
What payment methods are accepted?
Cobbled Climbs accepts all major payment methods including UPI (GPay, PhonePe, Paytm), credit and debit cards (Visa, Mastercard, RuPay), net banking, and EMI options on select cards. All transactions are secured with SSL encryption.
Does Q Ring Q39t 53 Bcd110x4 Inner Black come with a manufacturer warranty?
Q Ring Q39t 53 Bcd110x4 Inner Black by Rotor comes with the manufacturer's standard warranty as specified in the product details on this page. For warranty claims in India, contact Cobbled Climbs at support@cobbledclimbs.com and we will coordinate with Rotor on your behalf.
How do I find the right size for Q Ring Q39t 53 Bcd110x4 Inner Black?
Rotor uses European or international sizing which can run slim compared to Indian sizing. We recommend checking the size chart on this product page and measuring yourself before ordering. If you are between sizes, sizing up is generally recommended for comfort. For sizing assistance, email support@cobbledclimbs.com with your measurements and we will advise.
Can I get a price match if I find Q Ring Q39t 53 Bcd110x4 Inner Black cheaper elsewhere?
Cobbled Climbs offers competitive pricing on all products including Q Ring Q39t 53 Bcd110x4 Inner Black. If you find the same product at a lower price from another authorised Indian retailer, contact us at support@cobbledclimbs.com with the link and we will do our best to match it. Price matching applies only to authorised retailers selling genuine products, not grey market or parallel import listings.