Problem Solvers Bushnell Eccentric Lightweight Bottom Bracket - 68mm x 54mm Silver MPFN-DMR-S-RHYTHM-DO-142 4 Tubeless Folding Classic Tan

4 Tubeless Folding Classic Tan ProWall SmartGrip

of progressive rate coil

Chainring BCD 110 Shimano Asymmetric Color Black Defined Color Black Drivetrain Speeds 11 Material Aluminum Ring Position/Type Outer Round or Oval Round Tooth Count 46

Integrated rings are also incredibly long-lasting

Quick release seat clamps and bolts to mount a bottle cage are included

Problem Solvers Bushnell Eccentric Lightweight Bottom Bracket - 68mm x 54mm Silver MPFN-DMR-S-RHYTHM-DO-142 4 Tubeless Folding Classic TanProblem Solvers Bushnell Eccentric Lightweight Bottom Bracket 68mm x 54mm Silver. The Problem Solvers Bushnell Eccentric Bottom Bracket is the industry leading design for chain tension adjustment on tandem and dedicated single speed bikes equipped with eccentric bottom bracket shells. The lightweight version features additional machining and drilling of the alloy body to reduce weight. Accepts English threaded bottom bracket cups (1. 37 X 24 tpi)