Box One Sprocket Bolt kits include five 8.5mm front bolts, five 6mm front bolts and five 5mm rear nuts so they will fit just about any sprocket/crank combination, including those with threaded holes.
Made in the US from 6061-T6 aluminum alloy, Box Two™ Chainrings are round and true. They fit 104 BCD four-bolt cranks and are available in black anodized with laser-etched graphics from 38 to 45-teeth.
We have lovingly crafted manufactured and tested the rings here in the UK’s best riding spots.We then gave them to elite riders such as Josh Bryceland Marc Beaumont and Scott Mears. To ensure quality chain retention at the highest speeds.We use lightweight and durable 7075 T6 aluminium to ensure maximum endurance. So that your chain stays where it is supposed too. 104 BCD Thick Thin Chainring the perfect partner for Shimano cranks. Designed to work with clutch derailleurs to keep your chain from dropping off even on the roughest of trails. Made from aerospace grade aluminium And any other cranks that use the 4 bolt 104 BCD pattern.
The perfect steel e-bike thick thin chainring for maximum chain retention and durability.Note: Fits all e-bikes with a Shimano motor.Comes in Burgtec Black 34T only.
The perfect steel e-bike thick thin chainring for maximum chain retention and durability. Note: Fits all e-bikes with a 104mm BCD spider except those with a Shimano motor. Comes in Burgtec Black only.
96/64MM PCD Thick Thin Chainring. Make it rad with the new Burgtec Thick Thin chainring.Designed and manufactured in the United Kingdom. And tried and tested in MTB heaven the Peak District.Specification 96/64MM PCD Thick Thin ChainringKeeps your chain on!Colours: Burgtec Black
Tried and tested in MTB heaven the Peak District.Keeps your chain on!
When you need the upmost confidence in your drivetrain Burgtec Thick Thin Cinch Chainrings deliver. Designed to be compatible with RaceFace Cinch cranks. Designed and tested in MTB heaven the Peak District. Made from Aerospace Aluminium. Note: These are compatible with both Boost and Non-boost bikes.
GXP Boost 3mm Offset Thick Thin Chainring. Awesome chain line plus awesome chain retention enough said. Eagle compatible. Designed and tested in MTB heaven the Peak District. Keeps your chain on!
Fits Hope direct mount cranksets.
Does a mechanical advantage of increased gearing sound Interesting? If so read on. Through research and testing of many different prototypes with varying amounts of Ovality we found 115% (from the top centre) to be the optimum. This shrank the dead spot suitably and gave the same flawless chain retention and silence as our round rings. The shortening of the dead spot on the top and bottom of the power curve allows you to get back into the power phase of your crank rotation sooner.
Shimano Direct Mount thick thin chainring for maximum chain retention.Fits M7100 M8100 M9100 cranksets.Tried and tested in MTB heaven the Peak District.Keeps your chain on in the roughest of conditions.