SHIMANO DURA ACE 7900 CHAINRINGThe Shimano Dura Ace chainring is specifically designed for the FC 7900 crankset of the high quality Dura Ace group. It has a 5 bolt mount and a bolt circle diameter of 130 mm. Made of lightweight and stiff aluminum, it guarantees precise power transfer and fast shifting. This chainring is optimally matched to 10 speed shifting systems and ensures smooth operation of the drivetrain. It is an essential component for road cyclists who expect the highest

Product Description:

Rim Internal width (mm): 25

while also permitting critical foot repositioning so you can maintain balance and control no what the trail throws at you

Smooth / easy operation shifting performance

Remarks:                                 E-bike rated

Derailleur Capacity:22

Mount Clamp Band (mm)_31

are more resistant to fading and offer consistent brake performance even if it is wet

multiple shifts (main lever/rear)  : 2

Length    ‎8

The extra-wide platform provides efficient power transfer and excellent stability

Gravel gear ratios preserve riding rhythm over rough surfaces with wider tires