The Shimano PD-5700[paid link] pedals, part of the 105 groupset line, have long been regarded as a benchmark for reliable, mid-tier road performance. However, as Shimano released the PD-5800[paid link] generation, many cyclists began questioning whether the upgrade was worth it. Understanding the real differences between these two closely related models helps riders make an informed decision when upgrading or maintaining their pedal systems. This guide provides a detailed, technical comparison between the Shimano PD-5700[paid link] and PD-5800[paid link] pedals, covering design, performance, maintenance, and compatibility factors.
Design and Construction
The Shimano PD-5700 pedals use a composite resin body reinforced with stainless steel plates. This design strikes a balance between weight and durability, providing excellent stiffness under load without excessive mass. The spindle is made of chromoly steel, ensuring long-term reliability.
In comparison, the PD-5800 pedals adopt a similar overall design but with subtle refinements in the platform area. The body features improved shaping around the contact plate, slightly increasing the contact surface area between the pedal and the cleat. This change translates to better power transfer, particularly noticeable during high-cadence sprints or climbs. Additionally, the PD-5800 uses a slightly more efficient internal bearing configuration, reducing rotational resistance during pedaling.
While both models share the same underlying Look-style SPD-SL engagement system, the PD-5800’s refinement offers smoother engagement and disengagement action due to tighter tolerances in the mechanism.
Weight and Efficiency
Weight reduction has always been a priority in Shimano’s design evolution. The PD-5700 pedals weigh approximately 320 grams per pair, which was competitive for mid-range road pedals at the time of release. The PD-5800, however, brings this figure down to around 285 grams without compromising structural integrity.
Though the 35-gram difference may seem minor, it contributes to a more responsive pedal stroke, especially for riders who value every marginal gain. The reduced rotational mass helps with quicker spin-ups and improved acceleration response. Riders upgrading from PD-5700 to PD-5800 often report a more efficient feel when maintaining steady cadence on long climbs.
Bearing System and Durability
Both the PD-5700 and PD-5800 use Shimano’s cup-and-cone bearing system, renowned for its serviceability and smooth operation when maintained correctly. The main difference lies in bearing placement. The PD-5800’s internal bearing arrangement has been refined to distribute load more evenly across the spindle, which reduces wear over time.
In the PD-5700, riders may occasionally experience increased friction or micro-play after extensive mileage if not regularly serviced. However, when greased and adjusted properly, the 5700 remains extremely reliable. The PD-5800’s tighter seals improve water resistance, which is particularly beneficial for riders frequently training in wet or gritty environments.
For mechanics and enthusiasts, both models allow easy bearing service using Shimano’s TL-PD40 tool, but the PD-5800 tends to retain factory smoothness longer between servicing intervals.
Cleat Interface and Engagement Feel
Both models use the SPD-SL cleat system, compatible with Shimano’s yellow, blue, and red cleats. The PD-5700 has a slightly firmer engagement feel due to its spring mechanism’s higher initial resistance. Some riders prefer this positive “click” for its secure engagement during aggressive riding.
The PD-5800 refines this feel with a smoother transition in and out of the pedal, reducing the effort needed to clip in or release. The engagement mechanism is also slightly quieter and more consistent, especially noticeable after prolonged use when wear typically introduces small inconsistencies in the PD-5700.
Adjustable tension remains a shared feature between both models. Riders can fine-tune entry and release resistance via the tension screw located at the rear of the pedal body. However, the PD-5800’s range of adjustment feels more linear, providing more predictable control during setup.
Performance Under Load
In terms of power transfer and platform stability, the PD-5800 outperforms the PD-5700. Its broader stainless steel contact plate reduces lateral flex and improves foot stability during sprints and climbs. Riders using carbon-soled shoes will notice this difference most clearly, as the increased surface area minimizes micro-movements between the shoe and pedal interface.
The PD-5700 remains an excellent performer for general road cycling and endurance riding. Its slightly smaller platform and marginally less rigid feel make it more forgiving for long-distance comfort, especially when paired with slightly flexible shoe soles. However, for riders prioritizing stiffness and instantaneous power delivery, the PD-5800 clearly holds the advantage.
Maintenance and Longevity
Regular maintenance is crucial for extending pedal lifespan. The PD-5700 requires occasional re-greasing of the bearings and tension adjustment to maintain optimal engagement performance. Due to its slightly older sealing system, the 5700 may allow more contaminants to enter the bearing assembly over time.
The PD-5800 benefits from improved dust seals, resulting in longer service intervals and reduced maintenance frequency. Both models, however, are highly serviceable and should not be discarded prematurely. Shimano’s replacement parts, including bearing kits and contact plates, remain widely available for both generations.
When disassembling either model, mechanics should note that excessive torque on the spindle locknut can lead to premature bearing wear. Following Shimano’s torque specification ensures the correct preload on the bearing races.
Compatibility and Upgrading
Both the PD-5700 and PD-5800 pedals use standard 9/16” threads, ensuring compatibility with nearly all modern road cranksets. They are fully compatible with Shimano SPD-SL cleats and shoes. Cyclists upgrading from PD-5700 to PD-5800 will not require any additional components—installation and setup are identical.
However, when considering a full groupset upgrade, the PD-5800 aligns more naturally with the 5800 105 groupset and above due to its slightly more advanced engineering and closer resemblance to Ultegra-level[paid link] performance. For riders mixing groupsets, compatibility remains seamless, and there is no functional downside to pairing either pedal with other Shimano drivetrains.
Verdict: Which Pedal Should You Choose?
The Shimano PD-5700 remains an outstanding choice for riders who value reliability, simplicity, and cost-effectiveness. It delivers solid performance with easy serviceability, making it ideal for everyday training and endurance cycling.
On the other hand, the PD-5800 refines nearly every aspect of the PD-5700. Its lower weight, improved bearing design, enhanced platform stability, and smoother engagement justify its upgrade for riders seeking higher efficiency and long-term durability. Competitive cyclists and those focused on marginal performance gains will appreciate the PD-5800’s advancements.
Ultimately, the choice depends on riding priorities. The PD-5700 offers dependable performance at a lower cost, while the PD-5800 provides a more polished and efficient experience—bridging the gap between 105 and Ultegra-level performance.