diff --git a/progressbar.go b/progressbar.go
index 1795254..bd52a9f 100644
--- a/progressbar.go
+++ b/progressbar.go
@@ -4,6 +4,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"math"
 	"os"
 	"regexp"
 	"strings"
@@ -77,6 +78,9 @@ type config struct {
 	// clear bar once finished
 	clearOnFinish bool
 
+	// spinnerType should be a number between 0-75
+	spinnerType int
+
 	onCompletion func()
 }
 
@@ -99,6 +103,13 @@ func OptionSetWidth(s int) Option {
 	}
 }
 
+// OptionSpinnerType sets the type of spinner used for indeterminate bars
+func OptionSpinnerType(spinnerType int) Option {
+	return func(p *ProgressBar) {
+		p.config.spinnerType = spinnerType
+	}
+}
+
 // OptionSetTheme sets the elements the bar is constructed of
 func OptionSetTheme(t Theme) Option {
 	return func(p *ProgressBar) {
@@ -204,6 +215,7 @@ func NewOptions64(max int64, options ...Option) *ProgressBar {
 			max:              max,
 			throttleDuration: 0 * time.Nanosecond,
 			predictTime:      true,
+			spinnerType:      9,
 		},
 	}
 
@@ -211,6 +223,10 @@ func NewOptions64(max int64, options ...Option) *ProgressBar {
 		o(&b)
 	}
 
+	if b.config.spinnerType < 0 || b.config.spinnerType > 75 {
+		panic("invalid spinner type, must be between 0 and 75")
+	}
+
 	// ignoreLength if max bytes not known
 	if b.config.max == -1 {
 		b.config.ignoreLength = true
@@ -519,7 +535,13 @@ func renderProgressBar(c config, s state) (int, error) {
 		Progress Bar format
 		Description % |------        |  (kb/s) (iteration count) (iteration rate) (predict time)
 	*/
-	if c.ignoreLength || leftBrac == "" {
+	if c.ignoreLength {
+		str = fmt.Sprintf("\r%s %s %s ",
+			spinners[c.spinnerType][int(math.Mod(s.currentBytes, float64(len(spinners[c.spinnerType]))))],
+			c.description,
+			bytesString,
+		)
+	} else if leftBrac == "" {
 		str = fmt.Sprintf("\r%s%4d%% %s%s%s%s %s ",
 			c.description,
 			s.currentPercent,
diff --git a/progressbar_test.go b/progressbar_test.go
index 718eff5..31db4b3 100644
--- a/progressbar_test.go
+++ b/progressbar_test.go
@@ -155,7 +155,25 @@ func ExampleIgnoreLength_WithIteration() {
 	bar.Add(5)
 
 	// Output:
-	// 50% |    █     | (5/-, 5 it/s)
+	// /  (5/-, 5 it/s)
+}
+
+func TestSpinnerType(t *testing.T) {
+	bar := NewOptions(-1,
+		OptionSetWidth(10),
+		OptionSetDescription("indeterminate spinner"),
+		OptionShowIts(),
+		OptionShowCount(),
+		OptionSpinnerType(1),
+	)
+	bar.Reset()
+	for i := 0; i < 10; i++ {
+		time.Sleep(100 * time.Millisecond)
+		bar.Add(1)
+	}
+	if false {
+		t.Errorf("error")
+	}
 }
 
 func ExampleIgnoreLength_WithSpeed() {
@@ -174,7 +192,7 @@ func ExampleIgnoreLength_WithSpeed() {
 	bar.Add(11)
 
 	// Output:
-	// 10% |█         | (0.011 kB/s)
+	// \  (0.011 kB/s)
 }
 
 func TestBar(t *testing.T) {
diff --git a/spinners.go b/spinners.go
new file mode 100644
index 0000000..c3ccd01
--- /dev/null
+++ b/spinners.go
@@ -0,0 +1,80 @@
+package progressbar
+
+var spinners = map[int][]string{
+	0:  {"←", "↖", "↑", "↗", "→", "↘", "↓", "↙"},
+	1:  {"▁", "▃", "▄", "▅", "▆", "▇", "█", "▇", "▆", "▅", "▄", "▃", "▁"},
+	2:  {"▖", "▘", "▝", "▗"},
+	3:  {"┤", "┘", "┴", "└", "├", "┌", "┬", "┐"},
+	4:  {"◢", "◣", "◤", "◥"},
+	5:  {"◰", "◳", "◲", "◱"},
+	6:  {"◴", "◷", "◶", "◵"},
+	7:  {"◐", "◓", "◑", "◒"},
+	8:  {".", "o", "O", "@", "*"},
+	9:  {"|", "/", "-", "\\"},
+	10: {"◡◡", "⊙⊙", "◠◠"},
+	11: {"⣾", "⣽", "⣻", "⢿", "⡿", "⣟", "⣯", "⣷"},
+	12: {">))'>", " >))'>", "  >))'>", "   >))'>", "    >))'>", "   <'((<", "  <'((<", " <'((<"},
+	13: {"⠁", "⠂", "⠄", "⡀", "⢀", "⠠", "⠐", "⠈"},
+	14: {"⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"},
+	15: {"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"},
+	16: {"▉", "▊", "▋", "▌", "▍", "▎", "▏", "▎", "▍", "▌", "▋", "▊", "▉"},
+	17: {"■", "□", "▪", "▫"},
+	18: {"←", "↑", "→", "↓"},
+	19: {"╫", "╪"},
+	20: {"⇐", "⇖", "⇑", "⇗", "⇒", "⇘", "⇓", "⇙"},
+	21: {"⠁", "⠁", "⠉", "⠙", "⠚", "⠒", "⠂", "⠂", "⠒", "⠲", "⠴", "⠤", "⠄", "⠄", "⠤", "⠠", "⠠", "⠤", "⠦", "⠖", "⠒", "⠐", "⠐", "⠒", "⠓", "⠋", "⠉", "⠈", "⠈"},
+	22: {"⠈", "⠉", "⠋", "⠓", "⠒", "⠐", "⠐", "⠒", "⠖", "⠦", "⠤", "⠠", "⠠", "⠤", "⠦", "⠖", "⠒", "⠐", "⠐", "⠒", "⠓", "⠋", "⠉", "⠈"},
+	23: {"⠁", "⠉", "⠙", "⠚", "⠒", "⠂", "⠂", "⠒", "⠲", "⠴", "⠤", "⠄", "⠄", "⠤", "⠴", "⠲", "⠒", "⠂", "⠂", "⠒", "⠚", "⠙", "⠉", "⠁"},
+	24: {"⠋", "⠙", "⠚", "⠒", "⠂", "⠂", "⠒", "⠲", "⠴", "⠦", "⠖", "⠒", "⠐", "⠐", "⠒", "⠓", "⠋"},
+	25: {"ｦ", "ｧ", "ｨ", "ｩ", "ｪ", "ｫ", "ｬ", "ｭ", "ｮ", "ｯ", "ｱ", "ｲ", "ｳ", "ｴ", "ｵ", "ｶ", "ｷ", "ｸ", "ｹ", "ｺ", "ｻ", "ｼ", "ｽ", "ｾ", "ｿ", "ﾀ", "ﾁ", "ﾂ", "ﾃ", "ﾄ", "ﾅ", "ﾆ", "ﾇ", "ﾈ", "ﾉ", "ﾊ", "ﾋ", "ﾌ", "ﾍ", "ﾎ", "ﾏ", "ﾐ", "ﾑ", "ﾒ", "ﾓ", "ﾔ", "ﾕ", "ﾖ", "ﾗ", "ﾘ", "ﾙ", "ﾚ", "ﾛ", "ﾜ", "ﾝ"},
+	26: {".", "..", "..."},
+	27: {"▁", "▂", "▃", "▄", "▅", "▆", "▇", "█", "▉", "▊", "▋", "▌", "▍", "▎", "▏", "▏", "▎", "▍", "▌", "▋", "▊", "▉", "█", "▇", "▆", "▅", "▄", "▃", "▂", "▁"},
+	28: {".", "o", "O", "°", "O", "o", "."},
+	29: {"+", "x"},
+	30: {"v", "<", "^", ">"},
+	31: {">>--->", " >>--->", "  >>--->", "   >>--->", "    >>--->", "    <---<<", "   <---<<", "  <---<<", " <---<<", "<---<<"},
+	32: {"|", "||", "|||", "||||", "|||||", "|||||||", "||||||||", "|||||||", "||||||", "|||||", "||||", "|||", "||", "|"},
+	33: {"[          ]", "[=         ]", "[==        ]", "[===       ]", "[====      ]", "[=====     ]", "[======    ]", "[=======   ]", "[========  ]", "[========= ]", "[==========]"},
+	34: {"(*---------)", "(-*--------)", "(--*-------)", "(---*------)", "(----*-----)", "(-----*----)", "(------*---)", "(-------*--)", "(--------*-)", "(---------*)"},
+	35: {"█▒▒▒▒▒▒▒▒▒", "███▒▒▒▒▒▒▒", "█████▒▒▒▒▒", "███████▒▒▒", "██████████"},
+	36: {"[                    ]", "[=>                  ]", "[===>                ]", "[=====>              ]", "[======>             ]", "[========>           ]", "[==========>         ]", "[============>       ]", "[==============>     ]", "[================>   ]", "[==================> ]", "[===================>]"},
+	37: {"ဝ", "၀"},
+	38: {"▌", "▀", "▐▄"},
+	39: {"🌍", "🌎", "🌏"},
+	40: {"◜", "◝", "◞", "◟"},
+	41: {"⬒", "⬔", "⬓", "⬕"},
+	42: {"⬖", "⬘", "⬗", "⬙"},
+	43: {"[>>>          >]", "[]>>>>        []", "[]  >>>>      []", "[]    >>>>    []", "[]      >>>>  []", "[]        >>>>[]", "[>>          >>]"},
+	44: {"♠", "♣", "♥", "♦"},
+	45: {"➞", "➟", "➠", "➡", "➠", "➟"},
+	46: {"  |  ", ` \   `, "_    ", ` \   `, "  |  ", "   / ", "    _", "   / "},
+	47: {"  . . . .", ".   . . .", ". .   . .", ". . .   .", ". . . .  ", ". . . . ."},
+	48: {" |     ", "  /    ", "   _   ", `    \  `, "     | ", `    \  `, "   _   ", "  /    "},
+	49: {"⎺", "⎻", "⎼", "⎽", "⎼", "⎻"},
+	50: {"▹▹▹▹▹", "▸▹▹▹▹", "▹▸▹▹▹", "▹▹▸▹▹", "▹▹▹▸▹", "▹▹▹▹▸"},
+	51: {"[    ]", "[   =]", "[  ==]", "[ ===]", "[====]", "[=== ]", "[==  ]", "[=   ]"},
+	52: {"( ●    )", "(  ●   )", "(   ●  )", "(    ● )", "(     ●)", "(    ● )", "(   ●  )", "(  ●   )", "( ●    )"},
+	53: {"✶", "✸", "✹", "✺", "✹", "✷"},
+	54: {"▐|\\____________▌", "▐_|\\___________▌", "▐__|\\__________▌", "▐___|\\_________▌", "▐____|\\________▌", "▐_____|\\_______▌", "▐______|\\______▌", "▐_______|\\_____▌", "▐________|\\____▌", "▐_________|\\___▌", "▐__________|\\__▌", "▐___________|\\_▌", "▐____________|\\▌", "▐____________/|▌", "▐___________/|_▌", "▐__________/|__▌", "▐_________/|___▌", "▐________/|____▌", "▐_______/|_____▌", "▐______/|______▌", "▐_____/|_______▌", "▐____/|________▌", "▐___/|_________▌", "▐__/|__________▌", "▐_/|___________▌", "▐/|____________▌"},
+	55: {"▐⠂       ▌", "▐⠈       ▌", "▐ ⠂      ▌", "▐ ⠠      ▌", "▐  ⡀     ▌", "▐  ⠠     ▌", "▐   ⠂    ▌", "▐   ⠈    ▌", "▐    ⠂   ▌", "▐    ⠠   ▌", "▐     ⡀  ▌", "▐     ⠠  ▌", "▐      ⠂ ▌", "▐      ⠈ ▌", "▐       ⠂▌", "▐       ⠠▌", "▐       ⡀▌", "▐      ⠠ ▌", "▐      ⠂ ▌", "▐     ⠈  ▌", "▐     ⠂  ▌", "▐    ⠠   ▌", "▐    ⡀   ▌", "▐   ⠠    ▌", "▐   ⠂    ▌", "▐  ⠈     ▌", "▐  ⠂     ▌", "▐ ⠠      ▌", "▐ ⡀      ▌", "▐⠠       ▌"},
+	56: {"¿", "?"},
+	57: {"⢹", "⢺", "⢼", "⣸", "⣇", "⡧", "⡗", "⡏"},
+	58: {"⢄", "⢂", "⢁", "⡁", "⡈", "⡐", "⡠"},
+	59: {".  ", ".. ", "...", " ..", "  .", "   "},
+	60: {".", "o", "O", "°", "O", "o", "."},
+	61: {"▓", "▒", "░"},
+	62: {"▌", "▀", "▐", "▄"},
+	63: {"⊶", "⊷"},
+	64: {"▪", "▫"},
+	65: {"□", "■"},
+	66: {"▮", "▯"},
+	67: {"-", "=", "≡"},
+	68: {"d", "q", "p", "b"},
+	69: {"∙∙∙", "●∙∙", "∙●∙", "∙∙●", "∙∙∙"},
+	70: {"🌑 ", "🌒 ", "🌓 ", "🌔 ", "🌕 ", "🌖 ", "🌗 ", "🌘 "},
+	71: {"☗", "☖"},
+	72: {"⧇", "⧆"},
+	73: {"◉", "◎"},
+	74: {"㊂", "㊀", "㊁"},
+	75: {"⦾", "⦿"},
+}