Aerix Pro RS55

Brand from China · 1 variant in the manufacturer’s shop

Dimensions to scale, shape schematic

Rim depth: 55 mm; Manufacturer’s claim

Source: btlos.com · As of 19 Oct 2026

“Depth: 55mm”
Internal width: Internal width according to the shop: 25 mm.

Green: 23 mm internal width or more. Yellow: 21 to under 23 mm. Red: under 21 mm.; Manufacturer’s claim

Source: btlos.com · As of 19 Oct 2026

“Inner Width: 25mm (default) or 23mm”
External width: Rated is how much wider the rim is outside than inside. Green: at least 7 mm. Yellow: 5 to under 7 mm. Red: under 5 mm.
Set weight: Expected at 55 mm depth and 25 mm internal width: 1,331 g. Stated: 1,108 g, manufacturer’s claim.

Expected from a robust regression over 1,034 wheelsets by rim depth and internal width. Green: lighter than expected. Yellow: up to 10% heavier than expected. Red: more than 10% heavier. With green load capacity, 5 and 12% apply.

± 25 g; Manufacturer’s claim

Source: btlos.com · As of 19 Oct 2026

“Weight: 1108+/-25g (With GravelXpert20 Hub & Carbon Spokes)”

Rated is the max. rider weight, without it the max. system weight (rider, bike and luggage); a limit without reference counts as system weight. Green: rider from 120 kg, system from 130 kg. Yellow: rider 100 to under 120 kg, system 110 to under 130 kg. Red: below. Grey: the manufacturer states no limit.
Green: included, so duties paid delivery (DDP), or shipped from the EU. Yellow: you pay them on import, plus at least 19% import VAT, or only the taxes are included and the duties stay open. Grey: the shop does not say clearly.
Green: free to Germany. Yellow: paid. Grey: the shop does not say clearly.
The upper value counts, days count as business days × 5/7. Green: up to 10 business days. Yellow: 11 to 20 business days. Red: more than 20 business days.
Green: 30 days or more if the shop pays return shipping. Yellow: 14 days or more. Red: under 14 days or no returns.
Green: 3 years or more, or lifetime. Yellow: 2 years. Red: under 2 years.
Green: the brand offers crash replacement, a discounted replacement after a crash. Red: it offers none. Grey: it does not say clearly.
Green: wheel bags and more accessories included. Yellow: accessories such as valves, spare spokes or rim tape included, but no wheel bags. Red: the package list names only the wheels. Grey: the shop does not name what is included.

Specifications

BTLOS Aerix Pro RS55, as claimed by the manufacturer: rim depth 55 mm, 25 mm internal width, 1,108 g per set.

The manufacturer gives no figures yet for external width, spoke count, spoke material and freehub mechanism.

Load capacity

Max. rider weight: unknown
Max. system weight: unknown
UCI approval: unknown

Spokes

Count F/R: unknown
Material: unknown
Model: unknown

Hub

Model: unknown
Freehub mechanism: unknown

In the box

Included: unknown

Buy from BTLOS

BTLOS

Brand from China · 63 wheelsets

Shipping to Germany: unknown
Duties and import VAT: unknown
Delivery time: unknown
Ships from: unknown
Returns: unknown
Payment methods: unknown
Warranty: unknown
Crash replacement: unknown
Warranty handling: unknown

This is what the shop’s pages say, for deliveries to Germany. Sources, details and contact are on the brand page.

All about BTLOS All 63 wheelsets from BTLOS in the list

Offers

€729 $818 in the shop 1 variant lowest price

Variant	Link to the shop
UD · BTLOS GravelXpert · 24H/24H · Default · Shimano HG (road) · Center Lock ( Disc ) · Straight pull · Sapim Race	In the shop: UD · BTLOS GravelXpert · 24H/24H · Default · Shimano HG (road) · Center Lock ( Disc ) · Straight pull · Sapim Race

Prices from the manufacturer’s shop, as of 19 Oct 2026. Whether shipping comes on top is unclear. Whether duties and import VAT come on top is unclear. A final price with shipping and charges will follow.

Prices in € converted at €1 = $1.1225 as of 19 Oct 2026 (Source: ECB reference rates). The amount your bank charges can differ, depending on its rate and fees.

Similar wheelsets from other brands

Wheelset	Depth	Internal	Weight	Price from
BTLOS Aerix Pro RS55 this model	55 mm	25 mm	1,108 g	€729
Nepest NOVA 55	55 mm	23 mm	1,310 g +202 g	€1,363 +€634
Elitewheels Drive II 50	50 mm	23 mm	1,300 g +192 g	€1,158 +€429
Carbonal Gravel SR270 + Carbon 24mm Internal Width CLINCHER D24-54	54 mm	24 mm	1,330 g +222 g	€650 −€79
UPVINE Ultra 50	50 mm	23 mm	1,050 g −58 g	€1,683 +€954

Selected by specs: rim depth ±5 mm, internal width ±2 mm, one model per brand. Order as in the list: rating points, on a tie the price, then the smaller deviation in depth and internal width. Price from as in the list, without shipping and import charges.

Sources

Product page btlos.com retrieved 19 Oct 2026