The Ibis Ripmo, comfortably. Reviewers across the board call its DW-Link suspension one of the best in the 150 mm travel class for pedal efficiency — the platform stays composed under power and the V3's slightly more active initial stroke adds traction on technical climbs without giving up much firmness.

The Sentinel climbs respectably, especially because its 78.9 degree seat tube angle (size MD) keeps you centered over the bottom bracket on steep grades. But its rear is busier under power, and many testers reach for the climb switch on long fire roads.

The Transition Sentinel, once the suspension is dialed. Reviewers consistently describe it as "a freight train with style" — a stiff, stable chassis that tracks cleanly through rough, fast terrain. The 442 mm MD chainstay and 64 degree head angle plant you between the wheels.

The Ripmo descends extremely well too, especially on engaging, varied terrain. But its character is poppy and active rather than ground-hugging — at the absolute top end, multiple reviewers found it slightly less composed than burlier enduro rigs.

It's the most consistent critique in V3 reviews. Both Blister and Pinkbike flagged the stock RockShox Super Deluxe Ultimate as having unusually light compression damping — the bike can blow through its mid-stroke on square-edged hits and feel unsettled in chop. Several testers found a custom re-tune or a swap to a Manitou Mara Pro "transformative."

If you're a heavier or more aggressive rider, plan to budget a re-tune into the purchase. The frame is more capable than the stock damper makes it feel.

Yes — both have flip-chip mixed-wheel compatibility. On the Sentinel, multiple reviewers actually preferred the mullet "High" setting, which lowers the BB by 6 mm and slacks the head angle to 63.6 degrees, addressing the high-BB stand-up-out-of-corners feel some noticed in full 29er trim.

Ibis's smaller Ripmo sizes (S–M) ship with a 27.5 rear by default; the larger sizes (XM–XL) ship 29er but can flip to MX via the chip.

At size MD on both — the fit-picked size for a 5'8" rider — they're closer than you'd think up front and very different out back.

Stack: Ripmo 622 mm, Sentinel 621 mm — essentially identical.
Reach: Ripmo 456 mm, Sentinel 455 mm — within a hair.
Head angle: Ripmo 64.5 degrees, Sentinel 64 degrees — Sentinel a half-degree slacker.
Chainstay: Ripmo 435 mm, Sentinel 442 mm — Sentinel 7 mm longer.
Seat tube angle: Ripmo 76.5 degrees, Sentinel 78.9 degrees — Sentinel 2.4 degrees steeper.
Wheelbase: Ripmo 1,219 mm, Sentinel 1,237 mm — Sentinel 18 mm longer.

The rear-center and seat-angle gaps explain almost all of the on-trail personality difference.

Different shapes. The Sentinel runs $3,499–$9,999 across nine builds with both alloy and carbon frames — the alloy Deore at $3,499 is the cheapest way into either platform by a wide margin.

The Ripmo is carbon-only across five builds, $5,199–$9,999. The entry-level Deore at $5,199 is the floor — there's no alloy version of the V3 (Ibis still sells the older Ripmo AF separately). If your budget is under $5k, the Sentinel is effectively your only option here.

Both have it on carbon models, both are well-executed. Ibis's compartment ships with two Cotopaxi-designed pouches and gets called "flawlessly executed" by Enduro-MTB.

The Sentinel's "BOOM Box" is decoupled from the bottle mount so the hatch doesn't rattle under bottle weight. Bicycling called the V3 the quietest mountain bike they'd ever tested. Note: alloy Sentinels do not get the BOOM Box.

Both come with a lifetime frame warranty. Ibis adds a notable extra: a lifetime replacement on the lower-link IGUS bushings, which several reviewers called out as a meaningful long-term ownership win. Transition's warranty also extends crash-replacement pricing to second-hand owners, which Ibis does not match.