Shimano Sora FC-R3030 9-Speed Triple Chainset

2-piece design double-ring 9-speed chainset from the excellent value Sora range.

The Shimano Sora 3×9 speed road crank uses a high-end 4-arm design and compact 50-39-30T chainrings and is available
in 165, 170, and 175mm crank arm lengths.

Technology

HG Sprockets

The distinctively designed Hyperglide sprockets incorporate specially positioned shift ramps and tooth profiles for
improved chain control during shifting. Fast and responsive indexed shifting is the result.

The HG cassette sprocket, which was developed for the MTB 10-speed system, underwent comprehensive optimization to
achieve super-highly efficient shifting.

• HG Sprockets – Guide the chain quickly and directly to the next sprocket without override
• Conventional Sprockets – Cause the chain to ride up and over the gear teeth before engaging the sprocket

2-Piece Crank Set

• Integrated crank arm and bottom bracket – Increased rigidity with less weight
• Wider bearing positioning – Rigidity is enhanced and pedaling force is efficiently transmitted
• Precision Bearings – Low maintenance and simplified installation

Features

• SG-X chainrings feature strategically placed chain pick-up pins and tooth profiles to ensure fast and positive
  shifting
• 2-piece design allows the bottom bracket bearings to be spaced wider apart (outboard the frame) or press fit
  86.5mm enabling the use of larger bearings and an increased axle diameter
• There is also the benefit of easier installation, adjustment and maintenance
• Compatible with Hyperglide (HG) chains
• Aluminium crank arms
• Aluminium outer chainring with hard-wearing steel inner chainring
• Compatible with 9-speed drivetrains