Bearing TH MR151S 1-3/8" 45X45 J0

Name: Bearing TH MR151S 1-3/8" 45X45 J0
Brand: Aurum
Availability: OutOfStock

Rs. 1,000.00

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Description

The Aurum Bearing TH MR151S 1-3/8" 45×45 J0 is a precision headset bearing designed for riders who refuse to compromise on steering feel. Whether you're navigating Pune's potholed city roads or descending the Western Ghats, a quality replacement bearing keeps your front end tracking true and your headset free from play.

Our Take

India's riding conditions are tough on headset bearings — gritty monsoon runoff, red laterite dust on Coorg climbs, and Chennai's punishing heat all accelerate wear. The Aurum TH MR151S uses a 45×45-degree contact angle, which distributes load efficiently across the bearing races. This makes it a dependable choice for riders replacing worn OEM bearings on performance road or gravel bikes, delivering a noticeably smoother steering feel without the premium price tag of a full headset rebuild.

Sizing for Indian Riders

This bearing fits headsets with a 1-3/8" (34.9mm) cup bore, common on many mid-range and performance frames from European and Taiwanese manufacturers. Before ordering, measure your existing headset cup inner diameter carefully — Indian workshops in Delhi or Hyderabad can assist with identification. The J0 grade indicates high dimensional accuracy, ensuring a consistent press fit without shimming.

Compatibility Notes

Designed for 45×45-degree headset systems with a 1-3/8" standard bore. Compatible with integrated and semi-integrated headsets sharing this cup specification. Not interchangeable with 45×45 bearings in smaller 1-1/8" or larger 1-1/2" formats. Clean and regrease the bearing seat before installation to prevent corrosion, especially during monsoon season.

Pairs Well With

Consider pairing with a quality headset press tool for clean installation, a compatible full headset replacement if cups are worn, premium handlebar tape for a complete cockpit refresh, and carbon-safe assembly paste if fitting to a carbon steerer tube.

Explore the full Aurum collection at Cobbled Climbs

Why buy from Cobbled Climbs

100% genuine — authorised Aurum 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

Details

The Aurum TH MR151S is a headset replacement bearing built to the 1-3/8" (34.9mm) bore standard with a 45×45-degree contact angle geometry. The J0 grade classification indicates high dimensional precision, ensuring a consistent and accurate press fit within compatible headset cups. Designed for integrated and semi-integrated headset systems, this bearing is suited to performance road, gravel, and commuter frames that share this widely used bore specification. Sold individually, it is a direct replacement for worn or damaged OEM headset bearings.

Fitting

This bearing is sized for headset cups with a 1-3/8" (approximately 34.9mm) inner bore diameter and a 45×45-degree contact angle. It is not compatible with the more common 1-1/8" standard or the tapered 1-1/2" lower bearing format. If you are unsure of your headset specification, check your frame or headset manufacturer's documentation, or visit a local bike shop in Pune, Delhi, or Bengaluru for measurement assistance before ordering.

The Story Behind The Brand

Aurum is a cycling components brand focused on delivering precise, dependable drivetrain and bearing solutions at accessible price points. Built for the everyday performance cyclist, Aurum components offer reliable engineering without unnecessary cost, making quality upgrades and maintenance straightforward for riders across India.

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.

Frequently Asked Questions

Does Cobbled Climbs ship Bearing TH MR151S 1-3/8" 45X45 J0 across India?

Yes, Cobbled Climbs ships Bearing TH MR151S 1-3/8" 45X45 J0 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 Bearing TH MR151S 1-3/8" 45X45 J0 on Cobbled Climbs 100% authentic?

Yes. Cobbled Climbs is the exclusive India distributor for Aurum, so every Bearing TH MR151S 1-3/8" 45X45 J0 is sourced directly from Aurum and comes with original brand packaging, tags, and warranty documentation.

What is the return and exchange policy for Bearing TH MR151S 1-3/8" 45X45 J0?

Cobbled Climbs accepts returns within 7 days on Bearing TH MR151S 1-3/8" 45X45 J0 for items that arrive damaged or incorrect, or where you need a different size. Items must be unused, in their original packaging, with all tags attached. Resolution is by store credit or exchange — we do not offer cash refunds — and sale items are final. To start a return, email support@cobbledclimbs.com with your order number.

Is Bearing TH MR151S 1-3/8" 45X45 J0 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 Bearing TH MR151S 1-3/8" 45X45 J0 come with a manufacturer warranty?

Bearing TH MR151S 1-3/8" 45X45 J0 by Aurum 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 Aurum on your behalf.

How do I confirm Bearing TH MR151S 1-3/8" 45X45 J0 is compatible with my setup?

Check the specifications on this product page against your existing setup before ordering. For compatibility help with Bearing TH MR151S 1-3/8" 45X45 J0, ask CC-360, our AI cycling assistant at cobbledclimbs.com, or email support@cobbledclimbs.com and we'll advise.

Can I get a price match if I find Bearing TH MR151S 1-3/8" 45X45 J0 cheaper elsewhere?

Cobbled Climbs offers competitive pricing on all products including Bearing TH MR151S 1-3/8" 45X45 J0. 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.

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.