Suncord Chain tensioner & Pulley with carbon composite for T/P LINE

Chain tensioner & Pulley with carbon composite for 4 speed Full carbon composite body. The adapter base adopts aluminum alloy single bearing design. Double bearing guide wheel. The guide wheel gear plate adopts 6074 bearing, which can increase the stability of the guide wheel. Guide wheel: 10T guide wheel (steel gear) Single-sided carbon fiber side cover. Weight: 116g ±10g Chain tensioner & Pulley with carbon composite for 7 speed Full carbon composite body. 10T double bearing guide wheel single-sided carbon fiber side cover. Titanium alloy pipes OD 7.9mm. For T/P line modified 7-speed cassette. Weight: 118g ±10g Chain tensioner & Pulley with carbon composite for 7 speed Full carbon composite body. 10T single bearing guide wheel single side carbon fiber side cover (or you can choose the 12T single bearing guide wheel with double-sided carbon fiber side cover) Black ceramic pipes outer diameter 7.92mm. Total Length 52.3MM. Effective variable stroke 33MM For T/P line modified 7-speed cassette. Weight: 113g ±10g     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