Cryptic crossword No 3,739

Across

1. Meditate, brother, but also do come back! (5)
2. Oddly Geldof boogied all round (7)
3. Taking in deranged idiot, brought in to be Pavlov's subject (12)
4. Many (beyond hundred) stick together (4)
5. Rushes out, leaving hotel for clients (5)
6. Cycling supremo from Russia as seen on short circuits? (4)
7. See 24dn
8. Report of urine in bed? This upsets princess! (3)
9. Cycling method used alternatively is notoriously quiet sort (8)
10. Cheating cyclist might use it, if ride's to be enhanced (7)
11. Animal ankles used in cycling scandal (5)
12. Starts to lean on industry new guys, involving one in court finding (8)
13. Tantrum with mantra being turned into logo (5)
14. Sex god hurt back (4)
15. Having developed sane religion, many gathered at the Bellevue-15 Hotel in 1 down in July '76 (12)
16. Song is easier with odd bits omitted (3)

Down

1. Thick mindset, ignoring first and last points (5)
2. After taking in 28, incomplete refund arranged is more harsh (8)
3. Long time cycling guru (4)
4. Jimi's guitar and Henry's car in William's town on Avon? (9)
5. Returned 28 and such, a bonus primarily for small organisms (8)
6. Curious caption: "Car fever related to 27 4" (7)
7. Some 27 saved as drug inhibiting tumor growth (6)
8. Cycling fellows thus get signals (5)
9. Incredible story of non-drinker overcoming everything with beer? (4,4)
10. Part of 28 8 hosting 17 of 27 4 blighted cowgirl on toe (7,5)
11. Greek character has boy "help" in a strange way; it all starts as brotherly love here? (12)
12. A reduction here essentially more harsh (6)
13. On menu: pain mostly, suffering and illness (9)
14. I see sad suffering and illness (7)