Suncord Chain tensioner/Derailleur upgraded kits for brompton

Chain tensioner Full CNC made body and with hard anodized finishing. Single bearing design. 12T jockey wheel.(steel gear) Single-sided carbon fiber cover for guide wheel. Extended chain tensioner length. Derailleur C/P line shared derailleur. Silent plastic 10T ceramic guide wheel The purchase includes a cassette. T/P Line max compatible 11-28T cassette. A/C Line max compatible 11-30T cassette.   ATTENTION: Suncord products to be free from defects in materials or workmanship for a period of one year after original purchase unless otherwise stated below. The warranty is non-transferable and valid to the original purchaser of the product only. The warranty on Suncord products is NOT VALID if the products have been purchased from an unauthorized dealer/online retailer