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Product Image BORG31/Kinlin XR31T 700C road CX gravel bicycle rim

BORG31 (Kinlin XR31T) 650B Bicycle road/CX tubeless compatible rim.

£55.00


Kinlin are a Taiwanese manufacturer of bicycle rims and they are very good at it too. There rims often get rebranded but here they are with no decals, excetpt the 20H and 24H asymmetric rims.

The XR31T 650B is a 415g rim that is 24mm wide (19mm internal width) 31mm deep and is therefore an aerodynamic alloy clincher rim that is also tubeless tyre compatible. It's width and depth make it very stiff allowing lower spoke counts. Better still there is an offset drilling option so rear wheels get a better tension balance. The rims are round and flat in fact out of all the rims brands I stock these are the most consistent. Tension limit 1200N. 

The symmetric rim brake rim is for front wheels and the asymmetric rim brake rim is for rear wheels. Spoke length for the asymmetric rim are unchanged.

Kinlin use a KLM41 aluminium alloy (niobium is one of the alloying elements) to create a very round and flat rim. It has a thick spoke nipple bed so is fine for any rider. 

The rims is more than suitable for road riding or racing or CX use and those that just want to ride can all use this rim. I am actually struggling to find anything I don't like about. 

  • ERD 541mm
  • Width 24mm
  • Internal Width 19mm
  • Depth 31mm
  • Sleeve joined
  • Weight 
  • 650B/584mm (ERTRO)
  • Offset for asymmetric rim 3mm

 

 



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