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Discipline
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Collection: Hubs

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Discipline

Road(5)
Gravel(5)
MTB(4)

Hub

U-MD.20 / Front Boost 110x15mm Rear Boost 148x12mm / 3 pawls(1)
U-MD.21 / Front Boost 110x15mm Rear Boost 148x12mm / 3 pawls(1)
U-MD.50 / Front Boost 110x15mm Rear Boost 148x12mm / 3 pawls(1)
U-MD.51 / Front Boost 110x15mm Rear Boost 148x12mm / 3 pawls(1)
U-RD.20 / Front 100x12mm Rear 142x12mm / 3 pawls(1)
U-RD.30 / Front 100x12mm Rear 142x12mm / 3 pawls(1)
U-RD.52 / Front 100x12mm Rear 142x12mm / 3 pawls(2)
U-RD.60 / Front 100x12mm Rear 142x12mm / 3 pawls(1)

Hubs Weight

350 g(1)
366 g(1)
390 g(2)
393 g(1)
396 g(1)
405 g(1)
530 g(2)

Holes Number

21 – 2:1(1)
24 – 1:1(4)
28 – 1:1(4)

Bearings

Highly Smooth(7)
Xeramik™ - ceramic bearings(2)

Brake Compatibility

6 Hole Discs(2)
Center Lock Discs(7)

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Price

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To

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Discipline

Road(5)
Gravel(5)
MTB(4)

Hub

U-MD.20 / Front Boost 110x15mm Rear Boost 148x12mm / 3 pawls(1)
U-MD.21 / Front Boost 110x15mm Rear Boost 148x12mm / 3 pawls(1)
U-MD.50 / Front Boost 110x15mm Rear Boost 148x12mm / 3 pawls(1)
U-MD.51 / Front Boost 110x15mm Rear Boost 148x12mm / 3 pawls(1)
U-RD.20 / Front 100x12mm Rear 142x12mm / 3 pawls(1)
U-RD.30 / Front 100x12mm Rear 142x12mm / 3 pawls(1)
U-RD.52 / Front 100x12mm Rear 142x12mm / 3 pawls(2)
U-RD.60 / Front 100x12mm Rear 142x12mm / 3 pawls(1)

Hubs Weight

350 g(1)
366 g(1)
390 g(2)
393 g(1)
396 g(1)
405 g(1)
530 g(2)

Holes Number

21 – 2:1(1)
24 – 1:1(4)
28 – 1:1(4)

Bearings

Highly Smooth(7)
Xeramik™ - ceramic bearings(2)

Brake Compatibility

6 Hole Discs(2)
Center Lock Discs(7)

9 products

Sort by:

U-RD.52 hub

U-RD.52 hub

Type: Road / Gravel Hubs

U-RD.52 hub

Regular price €220,00

Sale price €220,00 Regular price

Unit price

/per

U-RD.30 hub

U-RD.30 hub

Type: Road / Gravel Hubs

U-RD.30 hub

Regular price €170,00

Sale price €170,00 Regular price

Unit price

/per

U-MD.50 hub

U-MD.50 hub

Type: MTB hubs

U-MD.50 hub

Regular price €300,00

Sale price €300,00 Regular price

Unit price

/per

U-MD.21 hub

U-MD.21 hub

Type: MTB hubs

U-MD.21 hub

Regular price €170,00

Sale price €170,00 Regular price

Unit price

/per

U-MD.51 hub

U-MD.51 hub

Type: MTB hubs

U-MD.51 hub

Regular price €300,00

Sale price €300,00 Regular price

Unit price

/per

U-MD.20 hub

U-MD.20 hub

Type: MTB hubs

U-MD.20 hub

Regular price €170,00

Sale price €170,00 Regular price

Unit price

/per

Xeramik™ U-RD.60 Hub

Xeramik™ U-RD.60 Hub

Type: Road / Gravel Hubs

Xeramik™ U-RD.60 Hub

Regular price €350,00

Sale price €350,00 Regular price

Unit price

/per

Xeramik™ U-RD.52 Hub

Xeramik™ U-RD.52 Hub

Type: Road / Gravel Hubs

Xeramik™ U-RD.52 Hub

Regular price €300,00

Sale price €300,00 Regular price

Unit price

/per

U-RD.20 hub

U-RD.20 hub

Type: Road / Gravel Hubs

U-RD.20 hub

Regular price €155,00

Sale price €155,00 Regular price

Unit price

/per

Ursus

Since 1967, Ursus has been manufacturing high-quality components for cycling, automotive, and industrial applications in Italy. Reliable, innovative, and built to last, our products are designed to deliver consistent performance.

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