Bearing: sealed bearing

[Weight] 30mm  1750G

                40mm  1920g / pair front wheel 860G + rear wheel 1060G

               50mm    2350G

(weight does not include tire pads and quick release

V brake：front wheel is 20holes，rear wheel is 20holes

disc brake：front wheel is 24holes，rear wheel is 24holes

【HUB】

700C V brake（rim brake）size，Front wheel 100x9mm, rear wheel 130x9mm

disc brake :

700C six hole QR（quick release），front wheel 100x9mm，rear wheel 135x9mm

700C center lock QR（quick release），front wheel 100x9mm，rear wheel 135x9mm

700C six hole TA（thur axle），front wheel 100x12mm，rear wheel 142x12mm

700C center lock TA（thur axle），front wheel 100x12mm，rear wheel 142x12mm

[Size]

        30MM frame height, rim outer width 18MM inner width 13.5MM

        40MM frame height, rim outer width 19.2MM inner width 15.5MM

         50MM frame height, rim outer width 22 MM inner width 15.5MM

[FREE HUB] support HG freehub 8-9-10-11—12 speed（also support MS  XD  XDR  CP freehub，If necessary, you can contact customer service）

【Tire】30MM support 23C 25C 28C,40mm  50mm  support 23—32C