New Balance FuelCell Rebel v4 vs v5 | Lightweight Trainer Guide

The New Balance FuelCell Rebel is a lightweight, flexible trainer for runners who enjoy a lively ride without the stiffness of a plated shoe. Remaining Rebel v4 inventory can be an excellent clearance value, while Rebel v5 is the current-generation option.

Who is the FuelCell Rebel v4 best for?

Runners who want one lightweight neutral road shoe for comfortable daily mileage, short tempo sessions and workouts where a responsive, flexible feel matters. Unlike some plated racing shoes, the Rebel v4 offers a natural-feeling training option. It is not intended to provide the structured guidance of a stability shoe, so the best choice depends on your stride, training load and fit.

Rebel v4 specs, fit and ride

• Ride: responsive FuelCell cushioning with a flexible, lively neutral feel.
• Drop: approximately 6 mm, per New Balance.
• Weight: New Balance reports approximately 212 g (7.5 oz) for a men's reference size; weight varies by size.
• Upper: lightweight synthetic/mesh with FantomFit bonded support and a gusseted tongue.
• Design: a geometric midsole that became higher and wider than the Rebel v3, plus longitudinal outsole pods.

Does the Rebel v4 run small? New Balance describes its fit as snug and suggests considering a size up when between sizes. Because toe-room, width and preferred lockdown differ by runner, trying the shoe on is preferable to guessing from your previous size. The remaining Confluence v4 inventory is in regular widths.

Rebel v4 vs. Rebel v5: what changed?

Both models serve runners who want energetic training rather than a heavy traditional daily trainer. The v4 is the value pick if the available size fits properly. The v5 adds more foam underfoot, an updated forefoot outsole with additional rubber, and a revised heel and tongue for comfort. New Balance lists the men's v5 at approximately 223 g (7.9 oz) in its reference size, compared with approximately 212 g for v4.

Choose Rebel v4 for a reduced-price lightweight trainer while available. Consider Rebel v5 if your v4 size is gone, if you prefer its updated construction, or if you want broader current-generation availability.

EXPLORE MEN'S REBEL v5EXPLORE WOMEN'S REBEL v5

Is Rebel v4 good for walking or everyday use?

It can be comfortable for many people who like soft, lightweight shoes, but its responsive midsole is designed with running in mind. For all-day standing, work or walking, a Confluence fitting can help compare fit and stability with more traditional everyday shoes.

Is the clearance Rebel v4 worth buying?

At $94.88, it is about $45 less than its $140 compare-at price. That is an attractive way to add a second shoe for tempo days or rotate into a lightweight trainer—provided your size and fit are right. Do not size down or change width solely to capture a clearance price.

Where can you try the Rebel on?

Visit Confluence Running for help comparing the Rebel's lightweight neutral ride with your current shoes. Inventory changes rapidly, and today's remaining sizes are concentrated at our Binghamton and Corning stores. Check availability or contact your nearest shop before making a special trip.

Technical specifications and design changes reference New Balance product documentation; pricing and remaining inventory reference Confluence Running's Shopify catalog. Editorial guidance is general and does not replace an individual shoe fitting. Clearance footwear is subject to Confluence Running's posted sale and return policies.