For : Track bike
Teeth option : 66T
Teeth thickness : 2.9mm
Chain spec. : 1/2" x 1/8"
BCD : 144, 5 holes
 
* fit fixed-gear bike too
* for special BCD, please contact.

    Note :

1. Currency : USD

2. Shipping charge : USD25 for international / USD5 for domestic

3. Pay method : PayPal / Manual

4. Pay via PayPal, you can pay with your credit card if you don't have a PayPal account.

5. For Taiwanese buyer, please choose Manual payment and contact digirit@digirit.com.
   (台灣買家請選擇手動付款，並email聯絡取得台幣匯款/轉帳帳號。)

6. For buyer in China/Hong Kong/Macao, you can use SF Express(順豐速運) with freight collect. Please place order here and choose Manual payment then contact digirit@digirit.com to get payment account.(You need pay the product online.)
   (中國大陸、港、澳買家可選擇手動付款並使用順豐速運寄送，請下單後email聯絡。)