Crew-on singlespeed sprockets for trials and biketrials bikes. Screw-on sprockets have a screw with wich can be assembled on cranks or hubs. We do offer range of screw-on sprockets with various number of teeths or the position of teeths which can be on side or in the middle of the cog base. Aluminium or steel cogs are available. Steel sprockets are very durable and aluminium ones are very light and they are used on racing trials bikes.
Screw-on single speed sprocket CREWKERZ. Sprocket is made for all hubs with thread screw, or cranks with screw thread. High durable construction from heat threated steel in black color. Theets are on the side of the sprocket base.
Šroubovací pastorek CREWKERZ. Pastorek je určený pro závitové náboje, resp. ty náboje, kde se pastorek šroubuje nokoliv nasazuje. 12/13/15zubů resp. pastorek je určený pro 20/26" kola! Pevná konstrukce z Cr-Mo v černé barvě.
Screw-on single speed sprocket from CLEAN TRIALS. Made from heat threated steel alloy. 10mm wide base and theets in the center of the sprocket base. Extremly durable with in black color. Compactilbe with all 1/2" chains.
If you want to save some weight from your rear wheel, there is another thing you can do. Change your steel sprocket for aluminium one! Very light single speed sprocket. Very wide 12mm base and theeths are in the center of sprocket base.