Specification of Hub 

Hub model	SA-R13
Weight	18/21 holes: Front 79g, Rear 207g                                                           20/24 holes: Front 79g, Rear 212g
Rolling System	Front Sealed Bearings 2, Rear Sealed Bearings 4
Gauge	14
Spoke Holes	Front 18 holes Rear 21 holes, Front 20 holes Rear 24 holes
O.L.D	Front 100mm, Rear 130mm
Cassette	Alumnium
Pawls	3 pawls
Cassette body	Shiman0 9/10/11 speed
Color	Black

Product photos 

(All photos are taken from real products in our own workshop)

Buyer's Guidance 

1. Shipment

• We ship world wide with service from aliexpress.

2. Return and refund Policy                                                                                                                               

• About the defective item, buyer has 7 days to request for refund or replacement, but please buyer supply photos about packing & product to us firstly

• About wrong item, It must be returned in original and unused condition & must also be in its original box and packing,tags.

• If you have any problems, please do not hesitate to contact us at first time before Neutral or Negative Feedback with less than 4 stars rating, we will try our best to solve it for you.