Shimano CUES FC-U6040-2 HollowTech II Crankset 172.5mm 50/34T 9/10-Speed
EFCU60402DX04
SKU code: SHM-EFCU60402DX04
In Stock
The Shimano CUES FC-U6040-2 is a HollowTech II double crankset designed for recreational road, gravel, and urban riders who want reliable Shimano drivetrain performance without the premium price tag. Pairing a 50/34T chainring combination with a hollow-forged aluminium construction, it delivers confident pedalling efficiency for everyday riders covering mixed terrain.
Highlights
- HollowTech II construction: Hollow-forged crank arms reduce weight while maintaining stiffness and power transfer efficiency.
- 50/34T chainring combo: Wide range double ring suits climbing and flat-road sprinting on road and gravel routes.
- Asymmetric 110 BCD: Four-bolt asymmetric bolt circle diameter allows future chainring swaps across a wide range of compatible rings.
- 9/10-speed compatible: Works with Shimano CUES and standard HG 9/10-speed drivetrains, plus LINKGLIDE-compatible chains.
- Part of the CUES ecosystem: Designed to integrate seamlessly with Shimano CUES groupsets for consistent shifting and reliable performance.
Construction
Built on Shimano's proven HollowTech II platform, the FC-U6040-2 uses a two-piece crank design where the right-side crank arm and spindle are forged as one unit. This hollow-forged construction optimises the balance between strength, stiffness, and weight — a design principle Shimano carries across its entire performance crankset range.
Compatibility & Fit
Speed compatibility: 9/10-speed. Chainring BCD: 4-bolt asymmetric 110mm. Chainline: 47mm (suits 135mm or 142mm rear axle OLD). Bottom bracket interface: HollowTech II — compatible with Shimano BB-RS501 or BB-RS500-PB (sold separately). BB shell width: 68mm or 70mm. This listing is for the 172.5mm crank arm length with 50/34T chainrings in black.
- HollowTech II hollow-forged crank arms for an optimised strength-to-weight ratio
- 50/34T double chainring setup for versatile road and gravel gearing
- Asymmetric 4-bolt 110mm BCD for wide chainring compatibility
- 9/10-speed drivetrain compatible, including Shimano CUES and HG systems
- LINKGLIDE chain compatible for extended drivetrain life
- Two-piece crank design integrates spindle and right crank arm for rigidity
- 47mm chainline suits 135mm and 142mm rear axle spacing
- Part of the Shimano CUES groupset ecosystem for seamless component integration
| Model | FC-U6040-2 |
| Series | Shimano CUES |
| Crank Arm Length | 172.5mm |
| Chainring Sizes | 50/34T |
| BCD | 4-bolt asymmetric 110mm |
| Speed Compatibility | 9/10-speed |
| Chain Compatibility | LINKGLIDE, HG 9/10-speed |
| Chainline | 47mm (135mm / 142mm Rear OLD) |
| Bottom Bracket Interface | HollowTech II |
| Recommended Bottom Bracket | BB-RS501 or BB-RS500-PB (sold separately) |
| BB Shell Width | 68mm or 70mm |
| Colour | Black |
| SKU | SHM-EFCU60402DX04 |
| Barcode # | 4550170306786 |
| Brand | Shimano |
