SkinGrowsBack “STAYER” PLUS Chainring Bag - Black

SkinGrowsBack “STAYER” PLUS Chainring Bag - BlackThe same solid construction as the SkinGrowsBack standard Chainring Bag but scaled up to take a maximum size of 76T Chainring suitable for Stayer Racing or for the Sprinters who believe that gears start at 60T. The added bonus of this oversize track bag is the tool pockets are now bigger too, making it easier to fit some of the larger chain whips. SPECIFICATIONS 1000D construction through out. 6 chainring sleeves, 310mm in diameter. 2 large external

pierce (carefully) the valve hole and ensure a clean hole with no tears or raised edges

it meets the inspection requirements

so it bonds very strongly when it’s pushed down against the rim by the tubular pressure (for this reason

32" x 24TPI

if you need a different frame standard

Pressure amplifying dome geometry uses air pressure to clamp valve stem

The original Mastik is still available for those who want to stay ‘old school’

QRM+ cartridge bearings ensure maximum rolling efficiency

Suits: 68mm BSA Bottom Bracket Shells

we recommend inflating tubulars to their max pressure and allowing some time before riding: adhesion reaches 80% of its maximum strength after 8 hours

Kenji Ishii

This high-quality Mastik has been proven reliable and has set an industry standard for many years