* IPO now 45 mln new shares at $10-$11 each -IFR
* Originally sought $13-$15 for 62 mln new, existing shares
* Initial terms met tepid reception -IFR (Adds Best no comment, details on valuation, competitors)
HONG KONG, Sept 19 (Reuters) - Chinese logistics firm Best Inc, backed by Alibaba Group Holding Ltd, cut the size of a proposed U.S. initial public offering (IPO) after receiving tepid investor response to its preliminary valuation, IFR reported on Tuesday citing people close to the deal.
The Hangzhou-based company now plans to raise up to $495 million with the sale of 45 million new American Depositary Shares (ADS) priced in an indicative range of $10 to $11 each, reported IFR, a Thomson Reuters publication.
The IPO previously consisted of 53.56 million new shares and 8.54 million existing shares offered for $13 to $15 each.
Best declined to comment on the new IPO terms.
The company is set to price the IPO on Sept. 19, with its market debut set for the following day.
The initial terms valued Best at a 2019 forecast price-to-earnings (P/E) ratio of 17.7 to 20.4 times, higher than New York-listed Chinese peer ZTO Express Inc, which raised $1.4 billion in October and trades 13.7 times its 2019 earnings.
Best, led by Johnny Chou, a former Greater China president for Alphabet Inc's Google, was counting on optimism over China's booming logistics market and the firm's tech-focused approach to delivery services in seeking a high valuation for its shares.
But concerns over competition from rivals flush with cash after going public in recent months, as well as rising fuel and labour costs, plus a slump in ZTO's share price prompted some investors to balk at Best's initial pricing, one of the people said.
ZTO's stock has traded below its IPO price since debuting and is down 24 percent from the listing price.
Reporting by Fiona Lau of IFR and Elzio Barreto; Editing by Michael Perry and Christopher Cushing