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Shifters

Paul Components Microshift Thumbies - Black

Miss thumb shifters? Converting a drop bar bike to flat bars? Want to run a Shimano MTB drivetrain on your drop-bar bike, with shifting accessible right from the flats? These easily transform bar end (aka barcon or TT) shifters into thumb shifters. The shifters are not included, but are readily available in 8 through 11-speed versions, and many have an option for friction-shifting. These mounts are also compatible with the Microshift Alfine/Nexus 8-speed shifter. Be sure you are using the MTB Microshift (or Gevenalle) model, as the Road version is smaller and will not fit.

Thumbies bring back the thumb shifting of old, and we think it makes shifting more precise and smoother. These feel much better in our opinion than trigger or twist shifters.

Thumbies have a hinged clamp for an easy installation and fit handlebars with a diameter of 22.2mm or 31.8mm. 22.2mm is equivalent to 7/8 inches, and is the diameter of most mountain bike handlebars. Many flat bars, risers and city bars have this diameter. It is measured at the end of the bar where grips and brake levers attach. 31.8mm is most commonly used on modern road handlebars near where the stem clamps.

The clamp is raised up to give clearance for hydraulic brake levers.

They have a shifter mounting boss that fits Microshift and Gevenalle mountain shifters.

£88.75

Paul Components Microshift Thumbies - Silver - pair

Miss thumb shifters? Converting a drop bar bike to flat bars? Want to run a Shimano MTB drivetrain on your drop-bar bike, with shifting accessible right from the flats? These easily transform bar end (aka barcon or TT) shifters into thumb shifters. The shifters are not included, but are readily available in 8 through 11-speed versions, and many have an option for friction-shifting. These mounts are also compatible with the Microshift Alfine/Nexus 8-speed shifter. Be sure you are using the MTB Microshift (or Gevenalle) model, as the Road version is smaller and will not fit.

Thumbies bring back the thumb shifting of old, and we think it makes shifting more precise and smoother. These feel much better in our opinion than trigger or twist shifters.

Thumbies have a hinged clamp for an easy installation and fit handlebars with a diameter of 22.2mm or 31.8mm. 22.2mm is equivalent to 7/8 inches, and is the diameter of most mountain bike handlebars. Many flat bars, risers and city bars have this diameter. It is measured at the end of the bar where grips and brake levers attach. 31.8mm is most commonly used on modern road handlebars near where the stem clamps.

The clamp is raised up to give clearance for hydraulic brake levers.

They have a shifter mounting boss that fits Microshift and Gevenalle mountain shifters.

£88.75

Paul Components Shimano Thumbies - Black

Miss thumb shifters? Converting a drop bar bike to flat bars? These easily transform bar end (aka barcon or TT) shifters into thumb shifters. The shifters are not included, but are readily available in 8 through 11-speed versions, and many have an option for friction-shifting.

Thumbies bring back the thumb shifting of old, and we think it makes shifting more precise and smoother. These feel much better in our opinion than trigger or twist shifters.

Thumbies have a hinged clamp for an easy installation and fit handlebars with a diameter of 22.2mm or 31.8mm. The 22.2 models fit mountain bike handlebars and the 31.8 mount to the stem clamp area of a drop bar. The clamp is raised up to give clearance for hydraulic brake levers.

They have a shifter mounting boss that fits Shimano bar end shifters and most Shimano downtube shifters.

£48.83

Paul Components Shimano Thumbies - Silver

Miss thumb shifters? Converting a drop bar bike to flat bars? These easily transform bar end (aka barcon or TT) shifters into thumb shifters. The shifters are not included, but are readily available in 8 through 11-speed versions, and many have an option for friction-shifting.

Thumbies bring back the thumb shifting of old, and we think it makes shifting more precise and smoother. These feel much better in our opinion than trigger or twist shifters.

Thumbies have a hinged clamp for an easy installation and fit mountain bike handlebars with a diameter of 22.2mm. The clamp is raised up to give clearance for hydraulic brake levers.

They have a shifter mounting boss that fits Shimano bar end shifters and most Shimano downtube shifters.

£48.83

Paul Components Shimano Thumbies (MTB) - Pair - Black

Miss thumb shifters? Converting a drop bar bike to flat bars? The Paul Components Shimano Thumbies (MTB pair/black) easily transform bar end (aka barcon or TT) shifters into thumb shifters.

The shifters are not included, but are readily available in 8 through 11-speed versions, and many have an option for friction-shifting.

Thumbies bring back the thumb shifting of old, and Paul think it makes shifting more precise and smoother.

Thumbies have a hinged clamp for an easy installation and fit handlebars with a diameter of 22.2mm. The clamp is raised up to give clearance for hydraulic brake levers.

Paul Components currently make Thumbies to work with Shimano shifters only. It has a shifter mounting boss that fits Shimano bar end shifter and some Shimano downtube shifters.

£81.66

Paul Components Shimano Thumbies (MTB) - Single - Black

Miss thumb shifters? Converting a drop bar bike to flat bars? The Paul Components Shimano Thumbies (MTB single/black) easily transform bar end (aka barcon or TT) shifters into thumb shifters.

The shifters are not included, but are readily available in 8 through 11-speed versions, and many have an option for friction-shifting.

Thumbies bring back the thumb shifting of old, and Paul think it makes shifting more precise and smoother.

Thumbies have a hinged clamp for an easy installation and fit handlebars with a diameter of 22.2mm. The clamp is raised up to give clearance for hydraulic brake levers.

Paul Components currently make Thumbies to work with Shimano shifters only. It has a shifter mounting boss that fits Shimano bar end shifter and some Shimano downtube shifters.

£48.83

Paul Components Sram Shifter adaptor - Black

Paul's SRAM Shifter Adapter allows you to mount any under-bar trigger shifter to a 31.8mm drop bar, so you can run the super wide range MTB drivetrains (such as Eagle) on the latest breed of go-anywhere/dirt-touring/camping/monster-cross/adventure/get-lost drop-bar bikes.


Machined with care from 6061 aluminium in Chico, California.

£40.83

Paul Components Sram Shifter adaptor - Silver

Paul's SRAM Shifter Adapter allows you to mount any under-bar trigger shifter to a 31.8mm drop bar, so you can run the super wide range MTB drivetrains (such as Eagle) on the latest breed of go-anywhere/dirt-touring/camping/monster-cross/adventure/get-lost drop-bar bikes.


Machined with care from 6061 aluminium in Chico, California.

£40.83

VIA Downtube Shifter Handlebar Mount - Silver

This great little kit provides you with everything you might need to mount downtube shifters onto handlebars, with different shims to suit a range of handlebar diameters.
£39.58

VIA Downtube Shifter Mount - Silver

An elegant and easy to use kit enabling mounting downtube shifters to frames without bosses.
£13.30

VIA STI Cable Adjuster - Silver

STI compatible Adjust the cable tension for optimal STI shifting. Allows you to fine tube your gearing without adjusting the mechs.
£7.50

Miss thumb shifters? Converting a drop bar bike to flat bars? Want to run a Shimano MTB drivetrain on your drop-bar bike, with shifting accessible right from the flats? These easily transform bar end (aka barcon or TT) shifters into thumb shifters.

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