Melvin Chain Tensioner Color:Silver Compatible with 68x113mm JIS square

Compatible with 68x113mm JIS square taper bottom bracket (sold separately)

The advanced formulation combines fast-acting polymers with suspended rubber particles to instantly seal punctures

day or night

SRAM XX Chainring Bolts

crush washers and pre-impregnated foam rings

Melvin Chain Tensioner Color:Silver Compatible with 68x113mm JIS squarePaul Components Melvin Chain Tensioner. Converts frames for single speed use. Long enough for a Dingle setup, (2 rings, one cog) 20T max. The Melvin uses two pulleys, just like a rear derailleur, which gives it 20 teeth of chain wrap Will work with multiple front chain rings while maintaining proper chain tension The pulleys are made of extruded and machined aluminum and have sealed bearings for durability Pulleys are 2. 25mm thick at the tooth which