PRM 50R

Brand from China · 27 variants in the manufacturer’s shop

Dimensions to scale, shape schematic

Rim depth: 50 mm
Internal width: Internal width according to the shop: 24 mm. The width depends on the variant; the best one is rated.

Green: 23 mm internal width or more. Yellow: 21 to under 23 mm. Red: under 21 mm.
External width: External width according to the shop: 30 mm, internal width 24 mm, so 6 mm wider outside than inside. The width depends on the variant; the best one is rated.

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 mm internal width: 1,399 g. Stated: 1,240 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

Max. rider weight according to the manufacturer: 120 kg. System limit according to the manufacturer: 120 kg (Max System Weight: 120kg).

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.
Shipping to Germany according to the shop: free.

Green: free to Germany. Yellow: paid. Grey: the shop does not say clearly.
Delivery time according to the shop: 7 to 20 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.
Carbon rims 3 years from the shipping date, the build of complete wheelsets 2 years, hubs and spokes from brand manufacturers under their own terms. Original owners only, with proof of purchase and serial number. In the first 60 days shipping is included, after that you pay shipping and customs duties.

Green: 3 years or more, or lifetime. Yellow: 2 years. Red: under 2 years.
30% discount on an equivalent replacement rim or a replacement wheelset, for original owners. You pay freight, import taxes and the rebuild.

Green: the brand offers crash replacement, a discounted replacement after a crash. Red: it offers none. Grey: it does not say clearly.
According to the product page, included: tubeless valves, spare spokes, rim tape.

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 spoke count.

Rim

Depth: 50 mm

Manufacturer’s claim

Source: bolacarbon.com · As of 16 Oct 2026

“Rim Depth: 50mm”
Internal width: 21 mm or 24 mm or 26 mm

Manufacturer’s claim

Source: bolacarbon.com · As of 16 Oct 2026

“Rim Width(Ext/Int): 28/21 mm”
External width: 28 mm or 30 mm or 32 mm

Manufacturer’s claim

Source: bolacarbon.com · As of 16 Oct 2026

“Outer Rim Width: 28-32mm”

Weight

Set: 1,240 g

Manufacturer’s claim

Source: bolacarbon.com · As of 16 Oct 2026

“Complete Wheelset Weight: 1240g (tape & valve excluded, ±2% tolerance)”

Load capacity

Max. rider weight: 120 kg

Manufacturer’s claim

Source: bolacarbon.com · As of 16 Oct 2026

“Max rider weight: rated to 120kg - check rider plus gear.”
Max. system weight: 120 kg

Manufacturer’s claim

Source: bolacarbon.com · As of 16 Oct 2026

“Max System Weight: 120kg”

Spokes

Count F/R: unknown
Material: Carbon

Manufacturer’s claim

Source: bolacarbon.com · As of 16 Oct 2026

“Spoke: blade carbon, 20/20, 2x, Straight pull”
Model: blade carbon, 20/20, 2x, Straight pull

Manufacturer’s claim

Source: bolacarbon.com · As of 16 Oct 2026

“Spoke: blade carbon, 20/20, 2x, Straight pull”

Hub

Model: BL 350 54T

Manufacturer’s claim

Source: bolacarbon.com · As of 16 Oct 2026

“Hub Model: BL 350 54T”
Freehub mechanism: Ratchet

Manufacturer’s claim

Source: bolacarbon.com · As of 16 Oct 2026

“54T ratchet, 6.7° engagement”

In the box

Included: tubeless valves, spare spokes, rim tape

Manufacturer’s claim

Source: bolacarbon.com · As of 16 Oct 2026

“Accessories: Tape, valve and spare spokes”

Buy from Bola

Bola

Brand from China · founded 2010 · 41 wheelsets

Shipping to Germany: free
Duties and import VAT: included, duties paid delivery (DDP)
Delivery time: 7 to 20 business days
Ships from: unclear
Returns: 14 days, you pay return shipping
Payment methods: PayPal
Warranty: 2 years
Crash replacement: yes
Warranty handling: unclear

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

All about Bola All 41 wheelsets from Bola in the list

Offers

Prices from the manufacturer’s shop, as of 16 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
Bola PRM 50R this model	50 mm	21 mm	1,240 g	€790
Nepest NOVA 45	45 mm	23 mm	1,220 g −20 g	€1,359 +€569
Elitewheels Drive II 50	50 mm	23 mm	1,300 g +60 g	€1,155 +€365
UPVINE Ultra 50	50 mm	23 mm	1,050 g −190 g	€1,866 +€1,076
Carbonal Road DT Swiss 180 23mm Internal Width CLINCHER Wave W23-4550	47.5 mm	23 mm	1,350 g +110 g	€1,199 +€409

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 bolacarbon.com retrieved 16 Oct 2026

Variant	Width internal / external	Link to the shop
€790 $888 in the shop 27 variants lowest price
28/21 mm · Shimano HG · Black Bola	21 mm / 28 mm	In the shop: 28/21 mm · Shimano HG · Black Bola
28/21 mm · Shimano HG · White Bola	21 mm / 28 mm	In the shop: 28/21 mm · Shimano HG · White Bola
28/21 mm · Shimano HG · Customized	21 mm / 28 mm	In the shop: 28/21 mm · Shimano HG · Customized
28/21 mm · Sram XDR · Black Bola	21 mm / 28 mm	In the shop: 28/21 mm · Sram XDR · Black Bola
28/21 mm · Sram XDR · White Bola	21 mm / 28 mm	In the shop: 28/21 mm · Sram XDR · White Bola
28/21 mm · Sram XDR · Customized	21 mm / 28 mm	In the shop: 28/21 mm · Sram XDR · Customized
28/21 mm · Compy · Black Bola	21 mm / 28 mm	In the shop: 28/21 mm · Compy · Black Bola
28/21 mm · Compy · White Bola	21 mm / 28 mm	In the shop: 28/21 mm · Compy · White Bola
28/21 mm · Compy · Customized	21 mm / 28 mm	In the shop: 28/21 mm · Compy · Customized
30/24 mm · Shimano HG · Black Bola	24 mm / 30 mm	In the shop: 30/24 mm · Shimano HG · Black Bola
30/24 mm · Shimano HG · White Bola	24 mm / 30 mm	In the shop: 30/24 mm · Shimano HG · White Bola
30/24 mm · Shimano HG · Customized	24 mm / 30 mm	In the shop: 30/24 mm · Shimano HG · Customized
30/24 mm · Sram XDR · Black Bola	24 mm / 30 mm	In the shop: 30/24 mm · Sram XDR · Black Bola
30/24 mm · Sram XDR · White Bola	24 mm / 30 mm	In the shop: 30/24 mm · Sram XDR · White Bola
30/24 mm · Sram XDR · Customized	24 mm / 30 mm	In the shop: 30/24 mm · Sram XDR · Customized
30/24 mm · Compy · Black Bola	24 mm / 30 mm	In the shop: 30/24 mm · Compy · Black Bola
30/24 mm · Compy · White Bola	24 mm / 30 mm	In the shop: 30/24 mm · Compy · White Bola
30/24 mm · Compy · Customized	24 mm / 30 mm	In the shop: 30/24 mm · Compy · Customized
32/26 mm · Shimano HG · Black Bola	26 mm / 32 mm	In the shop: 32/26 mm · Shimano HG · Black Bola
32/26 mm · Shimano HG · White Bola	26 mm / 32 mm	In the shop: 32/26 mm · Shimano HG · White Bola
32/26 mm · Shimano HG · Customized	26 mm / 32 mm	In the shop: 32/26 mm · Shimano HG · Customized
32/26 mm · Sram XDR · Black Bola	26 mm / 32 mm	In the shop: 32/26 mm · Sram XDR · Black Bola
32/26 mm · Sram XDR · White Bola	26 mm / 32 mm	In the shop: 32/26 mm · Sram XDR · White Bola
32/26 mm · Sram XDR · Customized	26 mm / 32 mm	In the shop: 32/26 mm · Sram XDR · Customized
32/26 mm · Compy · Black Bola	26 mm / 32 mm	In the shop: 32/26 mm · Compy · Black Bola
32/26 mm · Compy · White Bola	26 mm / 32 mm	In the shop: 32/26 mm · Compy · White Bola
32/26 mm · Compy · Customized	26 mm / 32 mm	In the shop: 32/26 mm · Compy · Customized