Stans Flow S2 rear 27.5 Rear Wheel
What the checker says241will not fit5check before you buy
Run variant by variant through the mountain bike builder’s own engine. Every sentence below is the checker’s, unedited. Nothing here says this part fits your bike; it says what it does and does not fit among the parts we hold.
Checked against 5567 verified mountain bike parts in this catalog. 4876 produced no finding of any kind; that is Flow S2 rear 27.5 (XD). Flow S2 rear 27.5 (Micro Spline) clears 4872. Each variant produces 194 to 198 distinct errors and 5 distinct warnings.
Will not fit
- Will not fiterror · Rear TireRear wheel size mismatch: Rear wheel 27.5", Rear tire 29". On 370 of the 617 verified tires in this catalog. Applies to all 2 variants.
- Will not fiterror · Rear RotorRear rotor interface mismatch: Center Lock rotor on 6-bolt rear hub - no adapter exists for this direction. On 65 of the 177 verified rotors in this catalog. Applies to all 2 variants.
- Will not fiterror · FrameRear axle mismatch: Frame is SuperBoost 157x12 but Rear wheel hub is Boost 148x12. On 21 of the 258 verified frames in this catalog. Applies to all 2 variants.
- Will not fiterror · Front TireUnsupported wheel setup: front 26" / rear 27.5" matches no configuration (24"/24", 26"/26", 27.5"/27.5", 29"/29", 32"/32", mullet = 29" front / 27.5" rear). On 21 of the 617 verified tires in this catalog. Applies to all 2 variants.
- Will not fiterror · Rear TireRear wheel size mismatch: Rear wheel 27.5", Rear tire 26". On 21 of the 617 verified tires in this catalog. Applies to all 2 variants.
- Will not fiterror · ForkUnsupported wheel setup: front 26" / rear 27.5" matches no configuration (24"/24", 26"/26", 27.5"/27.5", 29"/29", 32"/32", mullet = 29" front / 27.5" rear). On 12 of the 490 verified forks in this catalog. Applies to all 2 variants.
- Will not fiterror · FrameRear axle mismatch: Frame is 135x5-qr but Rear wheel hub is Boost 148x12. On 5 of the 258 verified frames in this catalog. Applies to all 2 variants.
Wheel config, Frame. 136 more findings from the same check, on up to 2 of the 258 verified frames each.
Freehub, Cassette. 90 more findings from the same check, on up to 1 of the 60 verified cassettes each.
Rear axle, Frame. 2 more findings from the same check, on up to 2 of the 258 verified frames each.
Wheel config, Front Rim. 2 more findings from the same check, on up to 3 of the 75 verified rims each.
Wheel config, Front Wheel. 2 more findings from the same check, on up to 3 of the 270 verified front wheels each.
Rear wheel size, Rear Tire. 1 more finding from the same check, on up to 3 of the 617 verified tires each.
Wheel config, Front Tire. 1 more finding from the same check, on up to 3 of the 617 verified tires each.
Open a variant in the builder to see the ones that apply to your own parts.
Check before you buy
- Check before you buywarning · Rear TireRear tire clearance: 2.8in tire is wider than the rear wheel's 2.6in max. On 15 of the 617 verified tires in this catalog. Applies to all 2 variants.
- Check before you buywarning · Rear TireRear tire clearance: 3in tire is wider than the rear wheel's 2.6in max. On 5 of the 617 verified tires in this catalog. Applies to all 2 variants.
- Check before you buywarning · Rear TireRear tire clearance: 4.5in tire is wider than the rear wheel's 2.6in max. On 1 of the 617 verified tires in this catalog. Applies to all 2 variants.
- Check before you buywarning · Rear TireRear tire clearance: 4.8in tire is wider than the rear wheel's 2.6in max. On 1 of the 617 verified tires in this catalog. Applies to all 2 variants.
- Check before you buywarning · Rear TireRear tire clearance: 4in tire is wider than the rear wheel's 2.6in max. On 1 of the 617 verified tires in this catalog. Applies to all 2 variants.
$415.00 MSRP·1106 g
What the maker states
- Wheel
- Built for a 27.5" wheel
- Freehub
- / driver Shimano Micro Spline (on 1 of 2 variants); / driver SRAM XD (on 1 of 2 variants)
- Rotor mount
- 6-bolt
- Internal width
- Internal rim width 30 mm
- Hub
- Spacing Boost 148x12
- Maximum tire
- Tire up to 2.6" (maker-stated maximum)
A value shown as a set or a range differs between this model’s variants and is never one variant’s spec.
2 verified variants
| Variant | Freehub | Price (MSRP) | Weight | Source | Last checked | Build |
|---|---|---|---|---|---|---|
| Flow S2 rear 27.5 (XD) | / driver SRAM XD | $415.00 | 1106 g | maker’s page | 2026-07-16 | Build with this |
| Flow S2 rear 27.5 (Micro Spline) | / driver Shimano Micro Spline | $415.00 | 1106 g | maker’s page | 2026-07-16 | Build with this |
The rest of what the maker states5 not published
5 further fields the checker looks for are not published by Stans, so we leave them blank rather than estimate them, and those 5 checks stay silent on this rear wheel. They are minimum tire, maximum tire mm, maximum tire basis, tire range kind and maximum system weight. Each is recorded as “not stated by the maker (not checked)”.
Source: each variant links the maker’s own page in the table above. Last checked 2026-07-16.
Checked against
The checker ran this model against every verified part below that it has a slot for, the same way it checks a build in the builder. What follows is the verdict it actually produced for that specific pairing — not a recommendation, and not a guarantee any of these parts fits your own bike.
- 5DEV R-SPEC Trail/Enduro Cranks (Crankset) No conflicts found
- 9point8 Fall Line (Dropper Post) No conflicts found
- 9point8 Stout (31.8, 30mm) (Stem) No conflicts found
- ACID SLX 30 front (Front Wheel) No conflicts found
- Acros ZS44/ZS56 (Headset) No conflicts found
- Acros ZS56/ZS56 (Headset) No conflicts found
6 of 1753 counterparts with a page of their own that the checker actually probed this model against, in alphabetical order by brand and model — never by price, popularity or the verdict itself.