GSport Taper-Hex Nipples (Anodized Blue) Color:40pc Anodized Blue raise the OPTIS insert’s pressure

raise the OPTIS insert’s pressure to 30-40 PSI and inflate the tire to a pressure that is slightly higher than what is used when riding

the Primer 14” rides like a pro-level bike that has been scaled down to meet the needs of smaller riders

5" and 29" MTB Tires

Cranks: 1-Piece

GSport Taper-Hex Nipples (Anodized Blue) Color:40pc Anodized Blue raise the OPTIS insert’s pressureNow available in Anodized Black, Anodized Purple, Anodized Blue, and Anodized Red. All colors available 40pc packs. Anodized Black also available with or without new 2 in 1 Spoke Wrench, and in bulk 520pc pack. Better than Brass Ordinary aluminum nipples have a bad reputation for rounding off, but the Taper Hex Nipple shape makes it work better than brass. The tapered hexagon shape means that the spoke wrench can easily slide down the nipple to fit