ShoeGeometry

Merrell Agility Peak 6 vs New Balance FuelCell Rebel Trail

Two shoes compared on measured geometry. Each cell carries a provenance badge; open a shoe for sources.

heel boneMerrell Agility Peak 6: heel 32 mm, forefoot 26 mm (drop 6 mm); toe rocker 40 % of length, radius 59 % of length; heel bevel 13 % of length, 2 mm high at the back, ending about under the heel bone.Merrell Agility Peak 6: toe rocker 40 % of lengthNew Balance FuelCell Rebel Trail: heel 33 mm, forefoot 27 mm (drop 6 mm); toe rocker 35 % of length, radius 47 % of length; heel bevel 6 % of length, 6 mm high at the back, ending behind the heel bone (only the back edge is rounded).New Balance FuelCell Rebel Trail: toe rocker 35 % of length
  • Merrell Agility Peak 632/26 mm · toe rocker 40 % · heel bevel 13 %
  • New Balance FuelCell Rebel Trail33/27 mm · toe rocker 35 % · heel bevel 6 %
Illustrative profiles, not photographs: drawn from published stack heights and photo estimates of the unloaded shoes on a common length (300 mm), heels aligned, toe to the left; dots mark where each toe rocker starts; the dotted vertical line is under the heel bone (12 % of length), so a heel curve reaching past it is a bevel in front of the heel bone. Dotted lines use typical values where a shoe has no measurement. Exact values are in the table below.

Which suits you

If you wantPickBecause
A smoother roll at toe-offMerrell Agility Peak 640.4 vs 35.4 % toe rocker
More cushioning under the heelAbout the same32 vs 33 mm heel stack
More under the forefootAbout the same26 vs 27 mm forefoot stack
A lower dropAbout the same6 vs 6 mm drop

From the values below, with differences inside measurement noise shown as about the same. This describes the shoes, not what is right for your feet; comfort in the first few runs decides.

MetricMerrell Agility Peak 6
Trail · Trail
New Balance FuelCell Rebel Trail
Trail · Trail
Heel-to-toe drop6 mmDerived6 mmStated
Heel stack32 mmStated33 mmStated
Forefoot stack26 mmStated27 mmStated
Weight269 gStated289 gStated
Toe rocker40 %est.35 %est.
Rocker radius59 %est.47 %est.
Rocker rise angle24 degest.29 degest.
Rocker angle at toe61 degest.67 degest.
Toe tip over ground38 mm*est.38 mmest.
Visible rocker lift onset75.5 %est.76.1 %est.
Toe spring (relative)19.5 %est.19.5 %est.
Heel bevel length13.3 %est.6.4 %est.
Heel bevel height2 mm*est.6 mmest.
Midsole width (forefoot)115.5 mmMeasured—
Midsole width (heel)97.7 mmMeasured—
Interior forefoot width94.3 mmMeasured—
Toebox width70.5 mmMeasured—
Longitudinal stiffness33Derived—
Midsole firmness63Derived—
PlateRock plateNo plate
Primary foamFloatProFuelCell (injection-moulded)
List price$160$150

Key differences

  • Heel-to-toe drop is about the same: 6 mm for Merrell Agility Peak 6, 6 mm for New Balance FuelCell Rebel Trail.
  • Merrell Agility Peak 6's heel stack is 32 mm, 1 mm thinner than New Balance FuelCell Rebel Trail's 33 mm.
  • Merrell Agility Peak 6's forefoot stack is 26 mm, 1 mm thinner than New Balance FuelCell Rebel Trail's 27 mm.
  • Merrell Agility Peak 6's weight is 269 g, 20 g lighter than New Balance FuelCell Rebel Trail's 289 g.
  • Merrell Agility Peak 6's toe rocker is 40 % of length, 5 % of length longer than New Balance FuelCell Rebel Trail's 35 % of length.

Read more about both shoes

We measure the shape. For how they feel over many miles, and for lab tests of cushioning, grip and fit:

Merrell Agility Peak 6

New Balance FuelCell Rebel Trail

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Merrell Agility Peak 6 details · New Balance FuelCell Rebel Trail details · Add more shoes