- 34/36/39T No complimentary screws - Better after-sales service,we will reply you within 24 hours! - Ship in 0-1 day and reach the delivery within 1-3 working days generally. Product Description: Brand: BUCKLOS Bolt Center Diameter: 110mm BCD Teeth: 34/36/39/50/52/53T Material：AL7075 Aluminum alloy Color: Black Shape: Round Type：Single/Double speed chainring Compatible with: 11 Speed Applicable：Road Bike Package: 1pc Chainring Compatible Model：Dura-Ace R9100，Ultegra R8000, 105 R7000，R8000，R9000.
