Reynolds Reynolds Blacklabel Enduro 287 Hydra 27.5 rear (12x148mm Boost, Rear Wheel
What the checker says270will not fit531worth knowing
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. 4790 produced no finding of any kind; that is Reynolds Blacklabel Enduro 287 Hydra 27.5 rear (12x148mm Boost, Shimano HG). Reynolds Blacklabel Enduro 287 Hydra 27.5 rear (12x148mm Boost, Shimano Microspline) clears 4773. Each variant produces 180 to 197 distinct errors and 0 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 3 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 3 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 3 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 3 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 3 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 3 variants.
Wheel config, Frame. 136 more findings from the same check, on up to 2 of the 258 verified frames each.
Freehub, Cassette. 120 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.
Worth knowing
Rear rotor interface unstated, Rear Rotor. 531 more findings from the same check, on up to 1 of the 177 verified rotors each.
Open a variant in the builder to see the ones that apply to your own parts.
$574.99 MSRP
What the maker states
- Wheel
- Built for a 27.5" wheel
- Freehub
- / driver Shimano HG (on 1 of 3 variants); / driver Shimano Micro Spline (on 1 of 3 variants); / driver SRAM XD (on 1 of 3 variants)
- Internal width
- Internal rim width 28 mm
- Hub
- Spacing Boost 148x12
A value shown as a set or a range differs between this model’s variants and is never one variant’s spec.
3 verified variants
| Variant | Freehub | Price (MSRP) | Weight | Source | Last checked | Build |
|---|---|---|---|---|---|---|
| Reynolds Blacklabel Enduro 287 Hydra 27.5 rear (12x148mm Boost, SRAM XD) | / driver SRAM XD | $574.99 | not stated | maker’s page | 2026-09-08 | Build with this |
| Reynolds Blacklabel Enduro 287 Hydra 27.5 rear (12x148mm Boost, Shimano HG) | / driver Shimano HG | $574.99 | not stated | maker’s page | 2026-09-08 | Build with this |
| Reynolds Blacklabel Enduro 287 Hydra 27.5 rear (12x148mm Boost, Shimano Microspline) | / driver Shimano Micro Spline | $574.99 | not stated | maker’s page | 2026-09-08 | Build with this |
The rest of what the maker states7 not published
7 further fields the checker looks for are not published by Reynolds, so we leave them blank rather than estimate them, and those 7 checks stay silent on this rear wheel. They are rotor mount, maximum tire, 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 2026-09-08.
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.