accessories product image-S1L2
accessories grey color image-S1L4
Use the rear brake stay to create the Thradan bumper.
It's a processing jig.
accessories product image-S1L19
accessories grey color image-S1L13
You can punch holes that fit the desired roller base, roller width.You can change the roller width by replacing the plate on the roller mount.

Only 13mm and 19mm rollers are available.

The standard roller width is 103 mm.
accessories white color image-S3L2
accessories -S2L1