The 125s are a 150mm drop vs 175mm on the 123s IIRC. You are welcome to do some laps on the Mather to get a sense of them next time I see you at the track if you want.
@pharoahsanders started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
The 125s are a 150mm drop vs 175mm on the 123s IIRC. You are welcome to do some laps on the Mather to get a sense of them next time I see you at the track if you want.