Shimano PD-GR400 Flat Pedals - Blue
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Product Information
Full details
The Shimano PD-GR400 Flat Pedals are ideal for trail and all-mountain riders seeking a blend of durability, weight savings, and superior traction. These pedals feature a wide, concave platform that locks your foot into position for improved confidence on technical terrain, though the resin construction may not feel as premium as CNC-machined aluminum alternatives. Designed for reliability, they offer a consistent grip and smooth rotation, making them a dependable choice for riders focusing on performance and trail control.
All features
| Model Part Number | EPDGR400B |
|---|---|
| Brand | Shimano |
Extended Product Information
FAQs
Are these pedals suitable for road biking?
While they can be used on road bikes, they are specifically engineered for the demands of trail and all-mountain riding, featuring pins that may damage delicate road cycling shoe soles.
Do I need special tools to install these?
You will need a 15mm pedal wrench or a standard 8mm hex key to install them onto your crank arms.
Can the pins be replaced?
Yes, the steel pins are designed to be replaceable if they become worn down or damaged over time.
Are the bearings serviceable?
The PD-GR400 uses sealed cartridge bearings, which are generally low-maintenance and designed for long-term durability without frequent service.
What is the weight of these pedals?
The Shimano PD-GR400 pedals weigh approximately 400 grams per pair.
Troubleshooting
Pedals feel gritty or stiff
Clean the area around the axle and check for debris buildup; if the issue persists, the sealed bearings may require inspection or replacement.
Foot slipping on the pedal
Check if any pins have been damaged or lost during previous rides and replace them as necessary; ensure you are using proper flat-pedal specific footwear.
Pros and Cons
Pros
- Excellent grip provided by the concave design
- Lightweight resin composite construction
- Low-maintenance sealed bearings
- Durable chromoly axle
- Reliable performance in diverse trail conditions
Cons
- Resin material is less impact-resistant than aluminum
- Pedal pins may eventually require replacement
- Limited color customization beyond the signature blue
Setup, Compatibility & Care
Installation of the PD-GR400 pedals is straightforward using a 15mm pedal wrench or an 8mm hex key. When installing, remember that the left pedal is reverse-threaded (turn counter-clockwise to tighten), while the right pedal follows standard threading.
Compatibility: These pedals are designed to work with all standard mountain bike cranksets featuring 9/16" pedal threads.
Care: To maintain optimal performance, periodically check the pins for damage and ensure they are tightened to prevent loss. Because they feature sealed cartridge bearings, they require minimal internal maintenance; however, keep the exterior clean by wiping away mud and debris after rides to extend the life of the resin body and seals.