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Shimano GRX FC-RX610-1 1x12-Speed Front Chainwheel

EFCRX6101CXA8
₹10,800
Length
Size

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Dependable 1x Gravel Power for Mixed-Surface Riding

Overview

The Shimano GRX FC-RX610-1 crankset is built for riders who move seamlessly between tarmac, gravel and rough backroads. It balances low weight with efficient power transfer to handle changing surfaces with confidence. This is a dependable 1x crankset made for real-world riding.

Efficient 1x Drivetrain Design: Designed around a 1x12-speed setup, the FC-RX610-1 keeps shifting simple and reliable. Fewer components mean less maintenance and cleaner performance in dusty or muddy conditions. Ideal for gravel and adventure-focused riders.

Flexible Cassette Pairing: This crankset pairs easily with both 10–45T and 10–51T cassettes. Riders can choose tighter gear steps for faster rides or a wider range for steep climbs. It adapts to different riding styles and terrain demands.

38T and 40T Chainring Options: Available with 38T and 40T chainrings, the FC-RX610-1 allows riders to fine-tune cadence and top-end speed. These options make it easy to tailor the drivetrain to fitness level and route profile. A practical choice for mixed-surface adventures.

With crank lengths ranging from 165 mm to 175 mm, the FC-RX610-1 supports precise bike fitting. It delivers smooth, efficient pedalling over long distances.

Features

  • Efficient 1x Drivetrain Design: Simplified 1x12 setup reduces maintenance and delivers reliable performance in dusty or muddy conditions.
  • Mixed-Surface Versatility: Balanced construction supports smooth transitions between tarmac, gravel and rough backroads.
  • Flexible Cassette Pairing: Compatible with 10–45T and 10–51T cassettes to suit fast gravel rides or steep adventure climbs.
  • 38T and 40T Chainring Options: Allows riders to fine-tune cadence and top-end speed based on terrain and fitness.
  • Dialled Fit and Comfort: Multiple crank lengths support precise bike fitting for long-distance comfort and control.
  • Efficient Power Transfer: Designed to deliver smooth, consistent pedalling across changing surfaces.

Specifications

  • Model No: FC-RX610-1
  • Series: GRX
  • Color: Series Color
  • Rear Speeds: 12
  • Compatible Chain: HG 12-Speed
  • Chain Line (mm): 49.7
  • P.C.D. (mm): 110
  • Spider/Gear Arms: 4
  • Chainring Combination: 38T, 40T
  • Q-Factor (mm): 151
  • Crank Arm Length (mm): 165, 170, 172.5, 175
  • Optional Chain Guard|Without Chain/Bash Guard: Yes
  • Hollowtech Crank Arm: Yes
  • Compatible Bottom Bracket Type|Outboard: Yes
  • Recommended Bottom Bracket|Threaded (Normal): BB-RS501
  • Recommended Bottom Bracket|Press-Fit: BB-RS500-PB
  • Threaded Bottom Bracket Shell Width (mm): 68, 70
  • Crank Fixing Screw Included: Yes
  • Average Weight (g): 791 (38T), 812 (40T)

Shipping, Returns & Refunds

We ship across India. Shipping is free on orders above ₹2,000, and ₹99 is charged on orders below ₹2,000. Cash on Delivery is available for orders up to ₹20,000, with additional COD charges based on order value. Most orders are delivered within 3–6 working days, though delays may occasionally occur. Please note that most Shimano products may take longer to ship. View full shipping policy.

Returns can be initiated within 7 days of delivery. Items must be unused, in original condition, and returned with all tags and packaging intact. Returns are available only on select categories such as apparel, helmets, jerseys, gloves, and similar items. Wetsuits and products discounted above 5% are not eligible for return.

Returns are not accepted for compatibility-related issues unless the product description on our website was incorrect. Return shipping must be arranged by the customer, as pickup is not available.

For eligible returns, you can choose an exchange, store credit, or a monetary refund. Refunds are processed after deduction of applicable shipping and transaction charges. Order cancellations are only possible before the order is processed. View full Return & Refund Policy.