Campagnolo Record 10 Speed Ultra-Narrow Chain GSRD Also remember that front dérailleur

Also remember that front dérailleur can only accept max 16T difference between 2 chainrings - this is how Shimano and Sram designed them

Race endurance for less damage in crash

™ special treatment

We may have found a solution

Bottom Bracket Shell Width: 61mm* to 79mm

Campagnolo Record 10 Speed Ultra-Narrow Chain GSRD Also remember that front dérailleurItalian quality and craftsmanship are at the core of this iconic name in cycling componentry. World champions and Tour de France winners have relied on the quality and effectiveness of 'Campag' products for many years. Specifications Performance, hollow link chain for 10 speed systems Nickel plated with PTFE finish for low friction silent performance Ultra narrow Ultra Drive HD Link for Ultra Narrow chain Lightened links Hollow pins Mfr Claimed Weight