T800 Undulated 21.4mm IW 50

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

Dimensions to scale, shape schematic

Rim depth: 50 mm
Internal width: Internal width according to the shop: 21.4 mm.

Green: 23 mm internal width or more. Yellow: 21 to under 23 mm. Red: under 21 mm.
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 50 mm depth and 21.4 mm internal width: 1,385 g. Stated: 1,305 g, manufacturer’s claim.

Expected from a robust regression over 965 wheelsets by rim depth and internal width. With green load capacity: green up to 5% heavier than expected. Yellow: up to 12% heavier. Red: more than 12% heavier.
Spokes F/R: unknown
Spoke material: Carbon

System limit according to the manufacturer: 135 kg (6, System weight limit: 135kg). The manufacturer states no max. rider weight.

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.
Duties and import VAT according to the shop: included, duties paid delivery (DDP).

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.
Delivery time according to the shop: 7 to 20 days, so up to 15 business days.

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.
Returns according to the shop: 14 days, you pay return shipping.

Green: 30 days or more if the shop pays return shipping. Yellow: 14 days or more. Red: under 14 days or no returns.
Wheelsets 3 years, individual carbon rims and carbon parts 2 years. Original owners only, from the date of purchase, keep the proof of purchase. Racing use and accidents are excluded.

Green: 3 years or more, or lifetime. Yellow: 2 years. Red: under 2 years.
15% discount on a replacement after a crash.

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

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

Rim

Depth: 50 mm

Manufacturer’s claim

Source: xmcarbonspeed.cc · As of 18 Oct 2026

“The weights of the 50mm depth type: 1305g+/-25g”
Internal width: 21.4 mm

Manufacturer’s claim

Source: xmcarbonspeed.cc · As of 18 Oct 2026

“T800 Carbon Speed undulated 21.4mm internal wide disc brake road / gravel bike carbon wheelset 700C tubeless compatible”
External width: unknown

Weight

Set: 1,305 g ± 25 g

Manufacturer’s claim

Source: xmcarbonspeed.cc · As of 18 Oct 2026

“The weights of the 50mm depth type: 1305g+/-25g”

Load capacity

Max. rider weight: unknown
Max. system weight: 135 kg

Manufacturer’s claim

Source: xmcarbonspeed.cc · As of 18 Oct 2026

“6, System weight limit: 135kg”

Spokes

Count F/R: unknown
Material: Carbon

Manufacturer’s claim

Source: xmcarbonspeed.cc · As of 18 Oct 2026

“4,Carbon spokes”
Model: unknown

Hub

Model: unknown
Freehub mechanism: unknown

In the box

Included: unknown

Buy from XMCS

XMCS

Brand from China · 46 wheelsets

Shipping to Germany: unclear
Duties and import VAT: included, duties paid delivery (DDP)
Delivery time: 7 to 20 days
Ships from: unclear
Returns: 14 days, you pay return shipping
Payment methods: PayPal
Warranty: 3 years
Crash replacement: yes
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 XMCS All 46 wheelsets from XMCS in the list

Offers

Variant	Link to the shop
€595 $669 in the shop 1 variant lowest price
CSRDW-WV50C-28 · With access holes · No decals · Black color CarbonSpeed Hubs Steel Bearings · Center Lock Straight Pull Front 12100/Rear 12142 TA · 36T · Shimano 11s	In the shop: CSRDW-WV50C-28 · With access holes · No decals · Black color CarbonSpeed Hubs Steel Bearings · Center Lock Straight Pull Front 12100/Rear 12142 TA · 36T · Shimano 11s

Prices from the manufacturer’s shop, as of 18 Oct 2026, without shipping, duties and import VAT. A final price with shipping and charges will follow.

Prices in € converted at €1 = $1.1253 as of 16 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
XMCS T800 Undulated 21.4mm IW 50 this model	50 mm	21.4 mm	1,305 g	€595
Nepest NOVA 45	45 mm	23 mm	1,220 g −85 g	€1,359 +€764
Elitewheels Drive II 50	50 mm	23 mm	1,300 g −5 g	€1,155 +€560
UPVINE Ultra 50	50 mm	23 mm	1,050 g −255 g	€1,866 +€1,271
Bola PRM 50R	50 mm	21 mm	1,240 g −65 g	€790 +€195

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 xmcarbonspeed.cc retrieved 18 Oct 2026