105 R7120 12 Speed 50-34T / 11-36T DISC Brake Groupset
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Description
The Shimano 105 R7120 12-speed disc brake groupset brings performance-focused road cycling within reach of serious enthusiasts. With a 50-34T compact chainset and an 11-36T cassette, this mechanical groupset delivers a wide gear range suited to everything from flat coastal rides to demanding ghat climbs, making it a practical choice for Indian riders tackling varied terrain.
Our Take
For riders regularly taking on the Western Ghats, Coorg ascents, or the long drags out of Pune toward Lonavala, the 50-34T / 11-36T combination is genuinely useful. The low 34x36 gear ratio means nobody has to walk. Mechanical shifting keeps maintenance straightforward — important when you are far from a workshop on a Hyderabad or Chennai sportive. Disc braking handles India's unpredictable surfaces and monsoon descents with confidence. At Rs. 81,050, this groupset represents solid value for a dedicated road build.
Sizing for Indian Riders
This groupset is spec-agnostic in terms of body sizing, but crank arm length matters. Indian riders of average height may prefer shorter crank arms to reduce knee stress in the heat above 35°C. The 11-speed to 12-speed jump also means checking bottom bracket shell standards before purchasing — threaded BSA shells are most common on Indian-market frames and are fully compatible.
Compatibility Notes
The R7120 groupset is designed for 12-speed Shimano road disc systems. It requires flat-mount disc brake callipers, a 12-speed HG+ or Micro Spline freehub, and Shimano hydraulic hose routing for the disc brakes. It is not compatible with rim brake wheels or 11-speed drivetrains. Pair with a Shimano-compatible bottom bracket to suit your frame shell standard.
Pairs Well With
Complete your build with a quality disc wheelset suited to 12-speed, a reliable carbon or alloy road frame, a performance road saddle for long-distance comfort, and Shimano-compatible road cycling shoes to get the most from the SPD-SL cleat interface.
Explore the full Shimano collection at Cobbled Climbs | Learn more at Shimano
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 — our team rides this gear
Frequently Asked Questions
What is the Shimano 105 R7120 groupset best used for?
The 105 R7120 is ideal for serious road cycling on varied terrain — sportives, century rides, and ghat climbs alike. The 50-34T chainring and 11-36T cassette give you the range to spin efficiently on Lonavala or Coorg ascents while maintaining speed on flat stretches near Chennai or Delhi. It suits dedicated enthusiasts who want reliable mechanical shifting and dependable disc braking.
How does Shimano 105 R7120 sizing work — which crank length should I choose?
Crank arm length is the key fit decision with a groupset. Most Indian riders between 165–175 cm height ride comfortably on 172.5 mm cranks. If you are taller than 180 cm, consider 175 mm. Shorter cranks can also help reduce knee discomfort during long climbs in heat above 35°C. Consult a bike fit specialist before finalising your build if you are unsure.
Will the Shimano 105 R7120 hold up in Indian monsoon conditions and heat?
Yes. Hydraulic disc brakes are an advantage during monsoon descents — braking performance remains consistent on wet roads around Pune, Hyderabad, and the Western Ghats. Mechanical shifting means fewer electronic failure points in heavy rain. Regular post-ride cleaning and cable lubrication will keep the drivetrain performing through India's humidity and dust. Quality cable housing is recommended in high-rainfall regions.
How does Shimano 105 R7120 compare to Shimano Ultegra and GRX groupsets?
The 105 R7120 sits one tier below Ultegra in Shimano's road hierarchy — marginally heavier but mechanically very similar in shifting precision and reliability. Compared to GRX, which is built for gravel and mixed-surface riding, the 105 is optimised for tarmac road performance. For most Indian road cyclists, 105 offers the best balance of performance and price without the premium of Ultegra or Dura-Ace.
Is the Shimano 105 R7120 worth Rs. 81,050 in India, and what warranty does it include?
At Rs. 81,050, the 105 R7120 is well priced for a complete 12-speed disc road groupset with hydraulic brakes. Building a bike piecemeal would cost more. Shimano provides a standard manufacturer's warranty covering manufacturing defects — typically two years on components. Cobbled Climbs offers cash on delivery across India and free delivery on orders above Rs. 2,500, making purchase straightforward.
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.
105 R7120 12 Speed 50-34T / 11-36T DISC Brake Groupset
Earn up to Rs. 4,052.50 cashback with Club House
Frequently Asked Questions
Does Cobbled Climbs ship 105 R7120 12 Speed 50-34T / 11-36T DISC Brake Groupset across India?
Is the 105 R7120 12 Speed 50-34T / 11-36T DISC Brake Groupset on Cobbled Climbs 100% authentic?
What is the return and exchange policy for 105 R7120 12 Speed 50-34T / 11-36T DISC Brake Groupset?
Is 105 R7120 12 Speed 50-34T / 11-36T DISC Brake Groupset currently in stock?
What payment methods are accepted?
Does 105 R7120 12 Speed 50-34T / 11-36T DISC Brake Groupset come with a manufacturer warranty?
How do I confirm 105 R7120 12 Speed 50-34T / 11-36T DISC Brake Groupset is compatible with my setup?
Can I get a price match if I find 105 R7120 12 Speed 50-34T / 11-36T DISC Brake Groupset cheaper elsewhere?
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