eR9 Electronic Hydraulic 2×10-12 SPEED Disc Brake Groupset

The L-TWOO eR9 Electronic Hydraulic Disc Brake Groupset brings wireless electronic shifting and hydraulic stopping power to serious road cyclists at a price point that makes top-tier drivetrain technology genuinely accessible in India. Whether you're climbing the Western Ghats, grinding the Delhi–Agra highway, or chasing KOMs on the Ooty switchbacks, this 2×10-12 speed groupset delivers precise, consistent performance ride after ride.

Our Take

L-TWOO has been quietly building credibility among discerning riders who want electronic shifting without paying a premium for established European badges. The eR9's electronic actuation means crisp, repeatable gear changes regardless of cable stretch — a real advantage on long climbs around Lonavala or Khandala where rider fatigue sets in. Hydraulic disc brakes provide confident modulation on the steep, potholed descents common across Indian hill roads. For the price in the Indian market, this groupset punches well above its category.

Sizing for Indian Riders

Groupsets are sized by component specification rather than body dimensions, but crank arm length and chainring size selection matter. Indian riders with average builds typically find 172.5mm cranks a comfortable starting point. In high-heat conditions across Chennai, Hyderabad, or Pune summers, electronic components benefit from occasional connector checks to prevent corrosion. Choose chainring combinations based on your local terrain gradient.

Compatibility Notes

The eR9 is a complete electronic hydraulic disc groupset designed for road bikes with appropriate disc brake mounts. Verify frame and fork disc compatibility before ordering. Electronic components require battery charging and firmware management. Hydraulic hose routing depends on your frame's internal or external cable paths. Compatible with standard road cycling shoes via appropriate pedal pairing.

Pairs Well With

Complete your build with a stiff carbon road wheelset for maximum drivetrain efficiency, a reliable power meter to track training output, quality bar tape that stays grippy through monsoon humidity, and a chain lubricant formulated for Indian dust and heat conditions.

Explore the full L-TWOO collection at Cobbled Climbs

Why buy from Cobbled Climbs

• 100% genuine — authorised L-TWOO 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

L-TWOO is a Chinese drivetrain manufacturer earning a strong reputation for engineering-forward groupsets that bring electronic and wireless shifting technology to a wider audience. Focused on road and gravel performance, L-TWOO challenges established players by pairing precise functionality with accessible pricing — making advanced cycling technology available to more riders globally.

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.