The SHIMANO GRX FC-RX600-10 crankset represents the perfect balance between controlled weight and maximum efficiency for gravel and mixed terrain. Specifically designed for adventures on unpaved roads, this 2x10 speed double crankset offers a 46-30T chainring combination for optimized gearing across all profiles, from long climbs to fast sections. Hollowtech II technology guarantees stiffness, light weight and efficient power transmission.
Technical Summary
Part of the GRX 10-speed family, this crankset features a 2-piece aluminum construction combining strength and weight savings. With a 46.9 mm chainline and 151 mm Q-factor, it allows the use of wide tires and offers extensive compatibility with modern frames. The Hollowtech II system integrates a 24 mm hollow axle, optimizing bearing distribution and pedaling stiffness.
Technical Highlights
- Dedicated gravel gearing: the 46-30T chainrings offer an extended range to confidently tackle unknown terrain and long rides with elevation.
- 2-piece Hollowtech II construction: 24 mm hollow axle for maximum stiffness, controlled weight and simplified installation.
- Asymmetric 110/80 mm BCD: 4-arm configuration compatible with GRX chainrings and optimized for gravel drivetrains.
- Adapted chainline: 46.9 mm and 151 mm Q-factor for compatibility with 135/142 mm road disc hubs and chainstays ≥ 415 mm.
- HG 10-speed chain compatibility: perfect operation with all Shimano 10-speed cassettes and chains.
- Measured lightness: 819 g for the 175 mm version, an excellent weight-to-strength ratio for intensive gravel use.
Available Variants
- 165 mm (EFCRX600102AX60): EAN 4550170448196 — ideal for smaller riders or technical riding styles.
- 170 mm (EFCRX600102CX60): EAN 4550170448264 — maximum versatility for the majority of cyclists.
- 172.5 mm (EFCRX600102DX60): reference EFCRX600102DX60 — very common intermediate length.
- 175 mm (EFCRX600102EX60): EAN 4550170448202 — for taller riders seeking amplitude and power.
Installation and Compatibility
This crankset requires a compatible Hollowtech II bottom bracket (sold separately): BB-RS500 for 68/70 mm threaded bottom bracket (BSA), or BB-RS500-PB for pressfit mounting. Pedal threads are standard 9/16 inch. Compatible with GRX 10-speed front and rear derailleurs, as well as the entire Shimano 10-speed road/gravel groupset range.
Why Choose the FC-RX600-10
A true benchmark in the GRX range, this crankset combines legendary Shimano reliability with demanding specifications: resistance to harsh conditions (mud, dust, impacts), quiet and stable transmission, respect for gravel ergonomics with enlarged chainline. Whether you're embarking on a multi-day bikepacking raid or chaining together rough cyclocross sections, the FC-RX600-10 delivers performance and durability without compromise.
| Feature | Value |
|---|---|
| 165 mm variant | EAN 4550170448196 / Ref. EFCRX600102AX60 |
| 170 mm variant | EAN 4550170448264 / Ref. EFCRX600102CX60 |
| 172.5 mm variant | Ref. EFCRX600102DX60 |
| 175 mm variant | EAN 4550170448202 / Ref. EFCRX600102EX60 |
| Series | SHIMANO GRX 10-speed |
| Number of speeds | 2x10 speed |
| Chainrings | 46-30T |
| Construction type | 2-piece (2-piece crankset) |
| Axle interface | Hollowtech II (24 mm axle) |
| BCD (bolt circle diameter) | 110 mm asymmetric / 80 mm (4-arm) |
| Chainline | 46.9 mm |
| Q-factor | 151 mm |
| Crank arm material | Aluminum |
| Crank length | 175 mm (for this variant) |
| Weight | 819 g (for 175 mm) |
| Hub/line compatibility | Road disc hubs 135/142 mm > chainstays 415 mm |
| Pedal thread | 9/16 inch |
| Compatible chain | HG 10-speed |
| Bottom bracket | Not included (sold separately) |
| Recommended threaded bottom bracket | BB-RS500 (68/70 mm) |
| Recommended pressfit bottom bracket | BB-RS500-PB |
| Color | Black |
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