The middle Shimano chainring bolts for Deore FC-M590-10 4-arm cranks

The Shimano chainring bolts for Deore FC-M590-10 and FC-M552 have a thread of M8 x 8.5 mm and are fitted between the middle and large chainring (use with 3 chainrings). They are also compatible with FC-M610 and other 4-arm cranks. There is a version for 32-tooth chainring with recess (A-type) and for 32-tooth chainring without recess (B-type). Four chainring nuts are included.

Technical Information:

Threads:

M8 x 8.5

Position:

middle (w/ 3 chainrings)

Mount:

between middle and largest chainrings

Compatibility:

• FC-M552
• FC-M590-10
• FC-M610
• FC-T521
• FC-T551
• FC-T611
• also fits FC-M660-10

Models:

A-Type:

Application:

for 32-tooth chainrings w/ recess

Manufacturer Number:

Y-1MZ98010

B-Type:

Application:

for 32-tooth chainrings w/o recess

Manufacturer Number:

Y-1LV98070

Contents:

• 4 x Shimano chainring bolts
• 4 x Shimano nuts