Model assessment · REP Fitness × PÉPIN

REP × PÉPIN FAST 105 lb pair review

Ten- to 105-pound FAST pair with matching magnetic selectors and a single remaining expansion to 125 pounds.

Sources checked 2026-10-23 · Our editorial approach

We may earn from qualifying purchases. Compare the exact model, size and package.

FAST 105 lb pair, DBS-7000-105 in two cradles with side selector rails
Exact 105 lb REP × PÉPIN FAST US variant: two black dumbbells seated in cradles, with visible side rails and knurled grips. Stand and cart are not shown. Original manufacturer photograph, 1920×1920 source. REP Fitness / source photographer
A useful fit for

Triple-digit supplied capacity while retaining one documented twenty-pound-per-hand upgrade.

The main tradeoff

Exact 12.5-pound selections involve an acknowledged imbalance, and this stage has no separately confirmed lifted-body length.

Your needs, this model

Does it fit your priorities?

Can I use exactly 12.5 pounds and still reach 105 pounds per hand on this package if an offset light selection is acceptable?

Yes. The same supplied pair supports the one-micro light selection and full balanced load at different selections.

Explore this need in the finder →
Can I select exactly 12.5 pounds while requiring equal end loads throughout?

No. The 12.5-pound setting uses one internal micro weight. Equal-end selections follow the balanced five-pound ladder.

Explore this need in the finder →
Is a higher compatible capacity stage documented beyond the supplied 105 pounds?

Yes. One compatible eight-plate pack adds twenty pounds to each dumbbell and the cradle adjusts for the 125-pound configuration.

Explore this need in the finder →

The 105 lb REP × PÉPIN FAST pair sits between a substantial supplied range and the family’s full 125 lb endpoint. It is worth considering when eighty-five pounds per hand is already restrictive but you do not need the last twenty pounds yet. Its main compromise is the adjustment routine: a magnetic selector handles the outer weights, while removable internal weights provide the smaller balanced steps.

One hundred and five pounds is the supplied ceiling

The exact current US choice is DBS-7000-105. Each of the two dumbbells has a ten-pound handle, eighteen five-pound outer plates and two 2.5 lb internal micro weights. With all of those fitted, the maximum is 105 pounds per hand. The supplied cradles support that configuration; the floor stand and storage cart are optional equipment.

This is a useful package boundary for someone whose heaviest planned load falls above the 85 lb FAST ceiling and at or below 105. A later upgrade is documented, but the current box does not provide 110 or 125 pounds simply because its handle belongs to that larger family. If those loads are already part of your routine, compare the 125 lb pair and the complete cost of adding plates later.

The minimum remains ten pounds. This range can cover heavy and lighter exercises, but it cannot cover every light exercise for every person. Keep a separate lighter pair if five pounds is essential, or compare a QuickDraw package when the lower start matters more than the heavy endpoint.

Separate balanced progression from the offset choices

Press the magnetic pop-pins outward, move both main selectors to the same indicated weight, and press them inward until fully engaged. Matching main selections changes the outer load in ten-pound jumps. Adding or removing both internal 2.5 lb weights provides the intervening balanced settings, so the complete balanced ladder runs from ten through 105 pounds in five-pound steps.

REP’s FAQ also permits one internal micro weight, acknowledging slight imbalance between the heads. That provides settings such as 12.5, 22.5 and 32.5 pounds while leaving the main selectors matched. You can use an offset light selection and later use the full balanced 105-pound load on the same pair. What you cannot infer is an uninterrupted 2.5 lb ladder, or equal end loads at every offset setting. The distinction matters if your program specifies both an exact light load and strict symmetry.

For frequent drop sets, consider the whole sequence. The pins can change the outer selection quickly, but alternating between adjacent balanced five-pound settings may also involve moving the micro weights. REP allows adjustment outside the cradle, yet that does not eliminate the need for a suitable level surface and the engagement checks required before lifting.

Fit the storage station to the system

The factory dimension graphic identifies a 34 mm knurled grip and a 4.9-inch hand opening. The handle has nickel plating, while the plates and cradle use a mix of metal components and protective liners. The steel outer plates do not mean that every component is steel: REP specifically describes aluminum in the handle headplates. Choose it for the documented layout and controls, rather than assuming a material description makes inspection unnecessary.

The cradle drawing shows 18.9 inches along its base, 5.3 inches across the base and 7.2 inches vertically for the illustrated seated arrangement. Those are storage-drawing dimensions, not a separate verified bare-body envelope for this 105 lb stage. REP’s stated 18.3-inch loaded length belongs to the 125 lb maximum. Check the actual shelf or stand with the cradle arrangement in mind and leave access for both selectors.

The system requires flat storage and operation. During assembly, place the dovetail ends in the holes for 105 pounds, seat and align the parts, check free movement and then tighten as instructed. An angled fixed-dumbbell rack is not a substitute. If the handle catches or a selector becomes stiff, follow the manufacturer’s cradle-alignment procedure rather than forcing the mechanism.

Upgrade once, but check the small service parts too

One current expansion pack supplies eight five-pound plates, adding twenty pounds to each dumbbell and taking this pair to 125. Move the cradle ends to the corresponding holes. Original PÉPIN components are incompatible with REP × PÉPIN, so a used plate bundle needs exact identification rather than a matching appearance.

REP also publishes separate service instructions for replacement selector knobs on the handles and spring pins on the internal micro weights. Recipients are instructed to fit the respective replacements before their next workout. Confirm the current parts with REP for older or uncertain stock; the public documents do not provide a complete retail-stock cutoff. Check full engagement before use, avoid using damaged or missing parts, and follow the manual’s direction to avoid drops.

The 105 lb configuration suits a buyer who needs triple-digit supplied capacity, accepts the ten-pound minimum and wants one remaining documented expansion step. Choose 125 when its extra plates are already necessary. Choose 85 when its ceiling genuinely covers your work, or compare a conventional screw-lock system when you prefer exchanging plates to operating side-rail selectors.

Key details at a glance

Starting load used for comparison10 lb per hand
Included maximum105 lb per hand
Weight changeselector_micro
Supplied grip surfaceknurled
Grip diameter34 mm
Supported upgrade beyond this packageYes
Supplied configurationTwo 105 lb FAST dumbbells and two cradles. Each dumbbell has a ten-pound handle, 18 five-pound outer plates and two internal 2.5-pound micro weights. Stand/cart and later capacity plates separate.

Use the exact model’s instructions for operating limits, supplied equipment and version differences.

Sources for this assessment

Put the lightest and heaviest loads together.

Add the adjustment method, an exact selection or a grip requirement when it matters.