Shimano IS Frame Or Fork To Post Caliper Brake Mount - IS Fork To Post Caliper - R 140-140mm YGroup_7525301092397 While the pack does appear

While the pack does appear large

Cons: The cost- but it is Park Tool

The Wave pattern tooth profile applies alternating lateral force to each chain link to actively retain the chain to the ring – going beyond narrow/wide implementations that rely solely on friction

size large

the trekking and touring saddle for medium to long distance riding

Shimano IS Frame Or Fork To Post Caliper Brake Mount - IS Fork To Post Caliper - R 140-140mm YGroup_7525301092397 While the pack does appearIf you are in need of an IS(International Standard) Caliper Brake Mount then these Shimano options are an excellent choice. These are required if your frame or fork has an IS mount and to fit your caliper and or adjust your rotor size. Features: IS: 51mm International Standard Shimano Post to Rear Mount Disc Brake adaptor Precision engineered disc calliper mount adaptor Interchangeable Mounting accessories included F 160 160mm: Accommodates 160mm