Various replacement cleat types for HT pedals. Price is for a pair (2) cleats. 

X1 Cleat
X1 Cleat Kit, 4Deg Float - Suit 878, X1/X2/X2SX , T1/T1SX, D1, M1 pedals, inc Spacers
The go to cleat from HT. 4 Degrees of float.

X1F Cleat
X1F Cleat Kit, 8Deg Float - Suit 878, X1/X2/X2SX , T1/T1SX, D1, M1 pedals, inc Spacers
Extra float version of the X1 cleat. 8 Degrees of float.

X1E Cleat
X1E Cleat Kit, Easy in/out release - 4Deg Float - Suit 878, X1/X2/X2SX , T1/T1SX, D1, M1 pedals, inc Spacers
Easy release version of the X1 cleat. 4 Degrees of float.

X2 Cleat
X2 Cleat Kit, 4.5Deg Float - Suit 878, X1/X2/X2SX , T1/T1SX, D1, M1 pedals, inc Spacers
4 Degrees of float. These require more effort to engage/disengage than the X1 cleats and are popular with BMX riders

H30 Cleat
H30 Cleat Kit, for 878, X1, X2 pedals - 4.5Deg float\
Original 878 cleat. 4.5 Degrees of float.

All cleats are suitable for all HT clip in pedals (excluding road pedals).