63mm piston rings are suitable for Yamaha Nmax 155 and NMAX Aerox 155cc piston sleeves.

Draper 285-Piece Internal and External Circlip Assortment Set (Model 56379)

Sealey E-Clip Retainer Assortment 800PC Metric

Sealey O-Clip Single Ear Assortment 160pc Stainless Steel AB043SE

Draper CIRCLIP (44560)

BlueSpot 285pc Assorted DIY Workshop Automotive Internal & External Circlip Set

CIRCLIP (75229)

Sealey E-Clip Retainer Assortment 800pc Imperial AB013ER

E Clip Ring 304 Stainless Steel External Circlips Circlip Assortment 1.5/2/3/4/5/6/7/8/9/10Mm Various Uses 200Pcs

Sealey R-Clip Assortment 150pc AB002RC

Set of 4 Depth Stoppers 20 mm Depth Stop for Sack Truck Wheel

AIPERQ Pack of 400 Type E External Spring Rings, Assorted Stainless Steel Spring Rings for Machine Shaft Splines with Packaging Box

300-Piece Circlip Assortment Kit (2mm to 32mm), Bestzy Stainless Steel Circlip Set, E-Clip External Retaining Ring Snap Kit for Circlip Rings

300Pcs External Circlip Assortment, Metal Type e-Clip Circlip Snap Retaining Clip Retaining Ring Kit Accessories for Retaining Bearings, Gears

Internal Circlips, Internal Circlip Rings, E-Clip Rings, Stainless Steel E-Clip Circlip Set, Pack of 120 E-Clip Retaining Rings - Steel - 10 Sizes - Internal Snap Button

304 Stainless Steel E-Clip Retaining Circlip Assortment Kit 1.5mm to 10mm