STAR UNION Disc Brake Adapter – IS/PM Mount for 160/180/203mm Rotors

DISC BRAKE ADAPTER FOR IS / PM MOUNTS

Choose the correct brake adapter for your disc brake setup.

This product page includes multiple adapter models for different mount types, wheel positions, and rotor sizes. Please select the correct option before ordering.

• PM and IS mount options
• Front, rear, and universal models available
• Supports selected 160mm, 180mm, and 203mm rotor setups
• 6061 aluminum alloy construction
• Bolts and spacers included

HOW TO CHOOSE THE RIGHT ADAPTER

Before ordering, please confirm:

1. Mount type: PM or IS
2. Wheel position: Front or Rear
3. Rotor size: 160mm, 180mm, or 203mm
4. Brake caliper and frame/fork clearance

If you are not sure which adapter you need, send us photos of your brake mount, caliper, and rotor size. We will help you check compatibility.

MODEL GUIDE

203F – PM Front
For 203mm front rotor setup.

203R – PM Rear
For 203mm rear rotor setup.

203P – IS Universal
For 203mm rotor setup, front or rear depending on bike mount.

180FP-160RP – IS Dual-use
For front 180mm or rear 160mm rotor setup.

180F-160R – PM Dual-use
For front 180mm or rear 160mm rotor setup.

180R – PM Rear
For 180mm rear rotor setup.

160F – PM Front
For 160mm front rotor setup.

WHAT’S INCLUDED

• 1 × Selected disc brake adapter
• Bolts and spacers, if required for the selected model

NOT INCLUDED

• Brake caliper
• Brake rotor
• Brake pads
• Installation tools

PRODUCT DETAILS

Product type: Disc brake adapter
Mount type: IS / PM
Rotor compatibility: 160mm / 180mm / 203mm
Material: 6061 aluminum alloy
Surface treatment: Oxidation
Color: Black

FREQUENTLY ASKED QUESTIONS

How do I choose the correct adapter?

Choose by mount type, wheel position, and rotor size. If unsure, send us photos before ordering.

Does this include a brake rotor?

No. This product includes the selected adapter only.

Are bolts included?

Bolts and spacers are included when required for the selected adapter model.

Can I use it for both front and rear?

Some models are front or rear specific. Please choose the correct option based on the model guide.

How can I check compatibility?

Send us photos of your brake mount, caliper, rotor size, and bike model before ordering.